oBed
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plain_text
2 years ago
497 B
4
Indexable
#include <iostream> #include <string> using namespace std; int main() { string str; cin >> str; if (str[0] == 'x') if (str[1] == '+') cout << int(str[4] - str[2]); else cout << int(str[4]) - 48 + int(str[2]) - 48; else if (str[2] == 'x') if (str[1] == '+') cout << int(str[4] - str[0]); else cout << int(str[0]) - 48 - (int(str[4]) - 48); else if (str[1] == '+') cout << int(str[0]) - 48 + int(str[2]) - 48; else cout << int(str[0] - str[2]); }
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