Submission #1066174

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Source Code Expand

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

#define N_MAX ( 101 )

int main()
{
	int x = 0;
	int x_max = x;
	int len;
	char str_s[N_MAX] = {0};
	
	scanf( "%d", &len );
	scanf( "%s", str_s );
	len = strlen( str_s );
	
	int i;
	for( i = 0; (i < len) && (0 != str_s[i]); i++ )
	{
		if ( 'I' == str_s[i] )
		{
			x++;
		}
		else if ( 'D' == str_s[i] )
		{
			x--;
		}
		else
		{
			/* NOP */
		}
		
		if ( x_max < x )
		{
			x_max = x;
		}
	}
	
	printf( "%d\n", x_max );
	
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:13:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf( "%d", &len );
  ^
./Main.c:14:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf( "%s", str_s );
  ^

Judge Result