Submission #1364354

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Source Code Expand

#include <iostream>
using namespace std;
int main()
{
    int a, b, c;
    cin >> a >> b >> c;

    int add = a + b;
    int sub = a - b;
    char ans;
    if (add == c && sub == c) {
        ans = '?';
    } else if (add == c) {
        ans = '+';
    } else if (sub == c) {
        ans = '-';
    } else {
        ans = '!';
    }
    cout << ans << endl;
}

Submission Info

Judge Result