제출 #86646

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
86646		Azamat_Murat	Calvinball championship (CEOI15_teams)	C++14	0 / 100	3 ms	704 KiB

teams

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define ll long long
//#define int long long
using namespace std;
void boost()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
}
void free()
{
	freopen("A.in", "r", stdin);
	freopen("A.out", "w", stdout);
}
int a[10001];
main()
{
	//free();
	boost();
	int n;
	cin >> n;
	ll sum = 0;
	for(int i = 0; i < n; i++) cin >> a[i], sum += a[i];
	cout << sum - 1, exit(0);
}

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
teams.cpp: In function 'void free()':
teams.cpp:17:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("A.in", "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~
teams.cpp:18:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("A.out", "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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