Submission #36642860

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Source Code Expand

#include <stdio.h>

int main(void){
	int n;
	scanf("%d", &n);
	long long int a[n];
	for(int i = 0; i < n; i++){
		scanf("%lld", &a[i]);
	}
	int q;
	scanf("%d", &q);
	int query, y, x;
	int all = 0;
	int cnt = 0;
	int two[2][q];
	for(int i = 0; i < q; i++){
		scanf("%d", &query);
		switch(query){
			case 1:
				scanf("%d", &x);
				all = x;
				cnt = 0;
				break;
			case 2:
				scanf("%d %d", &y, &x);
				two[0][cnt] = y;
				two[1][cnt] = x;
				cnt++;
				// a[y-1] += x;
				break;
			case 3:
				if(all){
					for(int j = 0; j < n; j++){
						a[j] = all;
					}
					all = 0;
				}
				for(int j = 0; j < cnt; j++){
					a[two[0][j]-1] += two[1][j];
				}
				scanf("%d", &y);
				printf("%lld\n", a[y-1]);
				break;
			default:
				break;
		}
	}

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    5 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
./Main.c:8:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    8 |   scanf("%lld", &a[i]);
      |   ^~~~~~~~~~~~~~~~~~~~
./Main.c:11:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%d", &q);
      |  ^~~~~~~~~~~~~~~
./Main.c:17:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   17 |   scanf("%d", &query);
      |   ^~~~~~~~~~~~~~~~~~~
./Main.c:20:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   20 |     scanf("%d", &x);
      |     ^~~~~~~~~~~~~~~
./Main.c:25:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   25 |     scanf("%d %d", &y, &x);
      |     ^~~~~~~~~~~~~~~~~~~~~~
./Main.c:41:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   41 |     scanf("%d", &y);
      |     ^~~~~~~~~~~~~~~

Judge Result