回答編集履歴
2
微修正
test
CHANGED
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@@ -52,7 +52,7 @@
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52
52
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53
53
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int main() {
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54
54
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55
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-
FILE* fp = fopen("
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55
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+
FILE* fp = fopen("a.json", "r");
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56
56
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57
57
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json j = json::parse(fp);
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58
58
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1
追記
test
CHANGED
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@@ -27,3 +27,39 @@
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27
27
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```
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28
28
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29
29
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コレ↑でも遅いですか?
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30
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+
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31
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+
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32
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33
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+
[追記] コチラ↓はいかがでしょう:
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34
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35
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36
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37
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```C++
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38
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39
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#include <nlohmann/json.hpp>
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40
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41
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#include <cstdio>
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42
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43
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#include <iostream>
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44
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45
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46
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47
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// for convenience
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48
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49
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using json = nlohmann::json;
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50
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51
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52
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53
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int main() {
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54
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55
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FILE* fp = fopen("foo.json", "r");
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56
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57
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json j = json::parse(fp);
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58
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59
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fclose(fp);
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60
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61
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std::cout << j << std::endl; // coutに渡せば出力できる。
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62
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63
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}
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64
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65
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```
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