Submission #1265496

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Source Code Expand

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

int main()
{
	int k, t,i,max=0;
	int *a;
	scanf("%d %d", &k, &t);

	a = (int*)malloc(t * sizeof(int));

	for (i = 0; i < t; i++) {
		scanf("%d", &a[i]);
	}
	for (i = 0; i < t; i++) {
		if (a[i] > max)max = a[i];
	}
	if (k - max >= max)printf("%d\n", 0);
	else printf("%d\n", 2 * max - k - 1);

	free(a);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:9:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &k, &t);
  ^
./Main.c:14:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ^

Judge Result