Submission #1137483

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Source Code Expand

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;

int a[30][30];
int main() {
	rep(i, 30)rep(j, 30)scanf("%d", &a[i][j]);
	rep(i, 30) {
		if (i & 1) {
			rep(j, 30){
				while (a[i][j])printf("%d %d\n", i + 1, j + 1), a[i][j]--;
			}
		}
		else {
			for (int j = 29; j >= 0; j--) {
				while (a[i][j])printf("%d %d\n", i + 1, j + 1), a[i][j]--;
			}
		}
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  rep(i, 30)rep(j, 30)scanf("%d", &a[i][j]);
                                           ^

Judge Result