質問編集履歴
2
情報の追加依頼に基づき編集しました
test
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データが正しく出力されません…
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test
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@@ -4,174 +4,164 @@
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C++を用いて自動採点のシステムを開発しているのですが、
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out_of_rangeの例外がどこから発生して、どう処理したらいいのかが分かりません。
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~~out_of_rangeの例外がどこから発生して、どう処理したらいいのかが分かりません。~~
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今度はデータが正しく出力されない問題が発生しました…
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### 発生している問題・エラーメッセージ
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-
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~~terminate called after throwing an instance of 'std::out_of_range'what(): basic_string::substr: __pos (which is 4) > this->size() (which is 0)This application has requested the Runtime to terminate it in an unusual way.
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Please contact the application's support team for more information.
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~~
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### 該当のソースコード
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```C++
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <utility>
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#include "AnswerCheck.h"
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typedef vector<string> Type;
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Type answer;
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Type putdata(string s){
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int cnt = 0, pnt = 0, cha = 0;
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Type buf;
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while(1){
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if(buf.size() == 13) break;
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if(s[cha] != ','){
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cnt++;
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}
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else{
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** try{
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buf.push_back(s.substr(pnt + 1, cnt - 2));
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}
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catch(...){
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buf.push_back("");
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}
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pnt += ++cnt;
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cnt = 0;
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}
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cha++;
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}
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return buf;
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}
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int main(void){
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ifstream ifs("data.csv");
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ofstream log("log.csv", ios::trunc);
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int cnt = 0;
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log << "Class,Number,A1,A2,A3,A4,A5,B1,B2,B3,B4,B5,B6,A Result,Sum Result" << endl;
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string s;
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while(getline(ifs, s)){
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int a_result = 0, result = 0;
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if(cnt != 0){
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Type buf = putdata(s);
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string id = buf[1];
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pair<string, string> user;
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user.first = id.substr(4, 1);
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user.second = id.substr(5, 2);
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cout << "Class : " << user.first << endl
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<< "Number : " << user.second << endl;
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log << user.first << ","
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<< user.second << ",";
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for(int a = 2; a < buf.size(); a++){
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int score = check(buf[a], a - 2);
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result += score;
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if(a < 7) a_result += score;
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log << score << ",";
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}
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log << a_result << "," << result << flush << endl;
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}
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cnt++;
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}
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160
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}
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162
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15
163
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```
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16
164
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|
17
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terminate called after throwing an instance of 'std::out_of_range'
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|
18
|
-
|
|
19
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what(): basic_string::substr: __pos (which is 4) > this->size() (which is 0)
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20
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-
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21
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-
|
|
22
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-
|
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23
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This application has requested the Runtime to terminate it in an unusual way.
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|
24
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-
|
|
25
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-
Please contact the application's support team for more information.
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|
26
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-
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27
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```
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28
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-
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29
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-
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|
30
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-
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31
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### 該当のソースコード
|
|
32
|
-
|
|
33
|
-
|
|
34
|
-
|
|
35
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-
```C++
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36
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-
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37
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-
#include <iostream>
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38
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-
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|
39
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-
#include <fstream>
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|
40
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-
|
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41
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-
#include <string>
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42
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-
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43
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-
#include <vector>
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44
|
-
|
|
45
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-
#include <utility>
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|
46
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-
|
|
47
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#include "AnswerCheck.h"
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48
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-
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49
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-
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50
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-
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51
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typedef vector<string> Type;
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52
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-
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|
53
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-
|
|
54
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-
|
|
55
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-
Type answer;
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56
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-
|
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57
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-
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58
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-
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|
59
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-
Type putdata(string s){
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60
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-
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61
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int cnt = 0, pnt = 0, cha = 0;
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62
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-
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63
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Type buf;
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64
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-
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65
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-
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66
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-
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67
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-
while(1){
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68
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-
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69
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if(buf.size() == 13) break;
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70
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-
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71
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-
if(s[cha] != ','){
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72
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-
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73
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cnt++;
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74
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-
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|
75
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-
}
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76
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-
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77
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else{
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** try{
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buf.push_back(s.substr(pnt + 1, cnt - 2));
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82
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-
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83
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}
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84
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-
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catch(...){
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buf.push_back("");
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-
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}
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pnt += ++cnt;
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cnt = 0;
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}
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cha++;
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}
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return buf;
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}
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int main(void){
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ifstream ifs("data.csv");
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ofstream log("log.csv", ios::trunc);
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114
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int cnt = 0;
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log << "Class,Number,A1,A2,A3,A4,A5,B1,B2,B3,B4,B5,B6,A Result,Sum Result" << endl;
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string s;
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while(getline(ifs, s)){
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int a_result = 0, result = 0;
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if(cnt != 0){
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Type buf = putdata(s);
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string id = buf[1];
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pair<string, string> user;
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user.first = id.substr(4, 1);
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user.second = id.substr(5, 2);
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cout << "Class : " << user.first << endl
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<< "Number : " << user.second << endl;
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log << user.first << ","
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<< user.second << ",";
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for(int a = 2; a < buf.size(); a++){
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int score = check(buf[a], a - 2);
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result += score;
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if(a < 7) a_result += score;
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log << score << ",";
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}
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log << a_result << "," << result << flush << endl;
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}
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cnt++;
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}
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}
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```
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167
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### 試したこと
|
|
@@ -199,3 +189,19 @@
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199
189
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「data.csv」のサンプルです。
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200
190
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201
191
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[data.csv](https://drive.google.com/file/d/1IewVqd_p9o7AjEgH_-45knRZEZ2iMDR8/view?usp=sharing)
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192
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193
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194
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195
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開発環境はMinGW6.3.0です。
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196
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197
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エディタはTeraPadを使用しています。
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199
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200
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回答者のご指摘からmain関数にtry,catchを入れたところ、ひとまずエラーが解消されました。
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203
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ですが、入力したデータは4つ連続しているのですが、出力した「log.csv」には以下のように無駄に空白が入ってしまいました…
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204
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205
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良ければ原因は何処なのか教えてほしいです…
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206
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+
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207
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+
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1
情報の追加依頼に基づき編集しました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -189,3 +189,13 @@
|
|
|
189
189
|
「#include "AnswerCheck.h"」は問題採点用のヘッダで、こちらにエラーが無い事は確認済みです。
|
|
190
190
|
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|
191
191
|
また、読み込みファイルの「data.csv」は読み込むデータが1つのみ(Googleフォームの結果を落としているので2行)の場合は問題なく動きます。
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|
192
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+
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193
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+
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194
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+
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195
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+
### 追加
|
|
196
|
+
|
|
197
|
+
|
|
198
|
+
|
|
199
|
+
「data.csv」のサンプルです。
|
|
200
|
+
|
|
201
|
+
[data.csv](https://drive.google.com/file/d/1IewVqd_p9o7AjEgH_-45knRZEZ2iMDR8/view?usp=sharing)
|