Submission #1416765

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Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    int h, w;
    std::cin >> h >> w;

    std::vector<int> hor(h);
    std::vector<int> ver(w);
    std::vector<std::vector<int>> cnt(h, std::vector<int>(w));

    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            int a;
            scanf("%d", &a);
            if (a == 0) {
                hor[i]++;
                ver[j]++;
                cnt[i][j]++;
            }
        }
    }

    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            if (j > 0) putchar(' ');
            printf("%d", (hor[i] + ver[j] + cnt[i][j]) % 2);
        }
        puts("");
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &a);
                            ^

Judge Result