Submission #1567232

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Source Code Expand

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

int main()
{
	char str[10] = { 0 };

	scanf("%s", str);
	
	if (strlen(str) > 1) {
		printf("a\n");
	} else {
		if (str[0] == 'a') {
			printf("-1\n");
		} else {
			printf("a\n");
		}
	}
	
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", str);
  ^

Judge Result