Submission #574994

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Source Code Expand

#include <cstdio>
#include <algorithm>
using namespace std;
int main() {
	int L,H;
	scanf("%d %d",&L,&H);
	int N;
	scanf("%d",&N);
	for(int i=0;i<N;i++) {
		int A;
		scanf("%d",&A);
		if(A>H) {
			printf("-1\n");
		}else if(L>A) {
			printf("%d\n",L-A);
		}else {
			printf("0\n");
		}
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&L,&H);
                      ^
./Main.cpp:8:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
                ^
./Main.cpp:11:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&A);
                 ^

Judge Result