Submission #1199413

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Source Code Expand

#include <stdio.h>
#define MAX(a,b) ((a)>(b)?(a):(b))
#define FOR(i,a,n) for(int i=a;i<n;i++)
int main(void)
{
	int k,t,a,max=0;
	scanf("%d %d",&k,&t);
	FOR(i,0,t){
		scanf("%d",&a);
		max=MAX(max,a);
	}
	printf("%d",MAX(max-1-(k-max),0));
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&k,&t);
  ^
./Main.c:9:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a);
   ^

Judge Result