Submission #1163999

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <cmath>

typedef long long ll;
#define fi first
#define se second


using namespace std;

int main(){
  
  int K;
  int T;
  int a[112];
  
  cin>>K>>T;
  
  int i;
  int big = 0;
  
  for( i = 0; i < T; i++ ){
    scanf("%d", a+i );
    big = max( big, a[i] );
  }
  
  
  
  int ans = 0;
  
  if( (K+1)/2 < big ){
    ans = (big - (K+1)/2) * 2;
    if( !(K%2) ) ans--;
  }
    
  printf("%d\n", ans);
  
  
  return 0;
}

Submission Info

Compile Error

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

Judge Result