Submission #942326

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstring>
#include <queue>
#include <map>
#include <set>
#include <functional>
#include <cmath>
#define SIZE 105

using namespace std;
typedef long long int ll;
typedef pair <int,int> P;

int A[SIZE];

int main()
{
	int K,n;
	scanf("%d %d",&K,&n);
	int mx=0;
	for(int i=0;i<n;i++)
	{
		scanf("%d",&A[i]);
		mx=max(mx,A[i]);
	}
	printf("%d\n",max(0,(mx-1)-(K-mx)));
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&K,&n);
                      ^
./Main.cpp:26:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&A[i]);
                    ^

Judge Result