oj.uz

Submission #85813

# Submission time Handle Problem Language Result Execution time Memory
85813 2018-11-21T15:00:58 Z rkocharyan Weighting stones (IZhO11_stones) C++14
0 / 100
 6 ms 760 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    freopen("stones.in", "r", stdin);
    freopen("stones.out", "w", stdout);
    int n;
    cin >> n;
    long long p[2];
    p[0] = p[1] = 0;
    for(int i = 0; i < n; ++i) {
        int r, s;
        cin >> r >> s;
        p[s - 1] += r;
        if(p[0] > p[1]) {
            cout << ">\n";
        }
        else if(p[0] < p[1]) {
            cout << "<\n";
        }
        else cout << "?\n";
    }
    return 0;
}

Compilation message

stones.cpp: In function 'int main()':
stones.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("stones.in", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("stones.out", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 760 KB Output isn't correct
2 Halted 0 ms 0 KB -