Submission #3785890

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Source Code Expand

#include <cstdio>
#include <cstring>
int main()
{
	char a[15],b[15],c[15];
	scanf("%s%s%s",a,b,c);
	if (strlen(a)==5&&strlen(b)==7&&strlen(c)==5) printf("valid\n");
	else printf("invalid\n");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s%s%s",a,b,c);
                       ^

Judge Result