제출 #1017332

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1017332		vjudge1	Feast (NOI19_feast)	C++17	4 / 100	32 ms	2704 KiB

feast

#include <bits/stdc++.h>
#pragma GCC target("avx")
#pragma GCC optimize("O2")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#define ll long long
#define ld long double
#define namein "tallbarn.in"
#define nameout "tallbarn.out"
#define pll pair<ll, ll>
#define pii pair<int, int>
#define pb push_back
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define vi vector<int>
#define vvi vector<vector<int>>
#define vpll vector<pll>
#define vpii vector<pii>
#define fr(i, j, n) for (ll i = j; i <= n; i++)
using namespace std;
const ll mod = 1e9 + 7;
const ll inf = LLONG_MAX;
const ll maxn = 3e5 + 5;

void boost(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
}

void file(){
	if (fopen(namein, "r")){
		freopen(namein, "r", stdin);
		freopen(nameout, "w", stdout);
	}
}

ll n, k, s = 0;
ll a[maxn];

void ans(){
	cin >> n >> k;
	for (ll i = 1; i <= n; i++){
		cin >> a[i];
		s += a[i];
	}
	cout << s;
}

int main(){
	boost();
	file();
	ans();
}

컴파일 시 표준 에러 (stderr) 메시지

feast.cpp: In function 'void file()':
feast.cpp:71:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |   freopen(namein, "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~
feast.cpp:72:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |   freopen(nameout, "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11
• Subtask 6: 0 / 20
• Subtask 7: 0 / 29