質問編集履歴
1
コード修正追記
test
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File without changes
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test
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@@ -91,3 +91,85 @@
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91
91
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```
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94
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96
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97
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#修正後
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98
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99
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```
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100
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101
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#include <bits/stdc++.h>
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102
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103
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using namespace std;
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104
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105
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106
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107
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int main() {
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108
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109
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int abcd;
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110
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111
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cin >> abcd;
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112
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113
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vector<int> ticket(4);
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114
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115
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116
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for(int i = 3; i > -1; i--){
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118
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ticket[i] = (abcd%10); // 1桁取り出していく
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120
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abcd /= 10;
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122
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}
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126
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127
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for(int bit = 0; bit < (1 << 3); bit++){
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128
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int ans = ticket[0];
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130
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133
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for(int idx = 0; idx < 3; idx++){
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if(bit & (1 << idx)) ans += ticket[idx + 1];
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136
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137
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138
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else ans -= ticket[idx + 1];
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}
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142
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143
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144
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if(ans == 7){
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cout << ticket[0];
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150
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151
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for(int idx = 0; idx < 3; idx++){
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152
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if(bit & (1 << idx)) cout << '+';
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154
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else cout << '-';
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156
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cout << ticket[idx + 1];
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}
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162
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cout << "=7" << endl;
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169
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}
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}
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173
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}
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```
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