Submission #1371689

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Source Code Expand

#include <stdio.h>
#include <string.h>

/*
int main() {
	int i, n;
	long long h[1000001];
	scanf("%d", &n);
	h[0] = 0, h[1] = 0, h[2] = 1;
	for (i=3; i < n ;i++) {
		h[i] = h[i-1]+h[i-2]+h[i-3];
	}
	printf("%lld\n", h[n-1]%10007);
	return 0;
}
*/

int main() {
	char s[11];
	scanf("%s", s);
	if (s[0] == 'a' && s[1] == '\0') printf("-1\n");
	else printf("a\n");
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:20:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
  ^

Judge Result