oj.uz

답안 #708988

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
708988 2023-03-13T03:37:35 Z vjudge1 Akcija (COCI15_akcija) C++17
80 / 80
 15 ms 1108 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#pragma GCC optimization("g", on)
#pragma GCC optimization("03")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse,-fgcse-lm")
#pragma GCC optimize("-ftree-pre,-ftree-vrp")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")

#define boba ios_base::sync_with_stdio(false); cin.tie(NULL);
#define br break
#define sp " "
#define en "\n"
#define pb push_back
#define sz size()
#define bg begin()
#define ed end()
#define in insert
#define ss second
#define ff first
#define rbg rbegin()
#define setp(a) cout << fixed; cout << setprecision(a);
#define all(v) v.begin(), v.end()
#define emp empty()
 
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef double db;
typedef tree<
    long long,
    null_type,
    less_equal<long long>,
    rb_tree_tag,
    tree_order_statistics_node_update> orset;

void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
ll bp(ll x, ll y, ll z) { ll res = 1; while (y) { if (y & 1) { res = (res * x) % z; y--; } x = (x * x) % z; y >>= 1; } return res; }
// C(n, k) = ((fact[n] * bp(fact[k], mod - 2)) % mod * bp(fact[n - k], mod - 2)) % mod;
ll lcm(ll a, ll b) { return (a / __gcd(a, b)) * b; }

const ll N = 1e5 + 11;
const ll inf = 1e9 + 7;
ll tt = 1;
ll a[N];	

void solve() {
	ll n; cin >> n;
	for (int i = 1;i <= n;i++) cin >> a[i];
	sort(a + 1, a + n + 1, greater<ll>());
	ll sum = 0;
	for (int i = 1;i <= n;i++) {
		if (i % 3 != 0) {
			sum += a[i];
		}
	}
	cout << sum << en;
}

int main() {    
    boba  
    //freopen("numbers");
//    cin >> tt;
//    precalc();
    for (int i = 1;i <= tt;i++) {
        solve();
    }
}

Compilation message

akcija.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization("g", on)
      | 
akcija.cpp:8: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    8 | #pragma GCC optimization("03")
      | 
akcija.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
akcija.cpp: In function 'void freopen(std::string)':
akcija.cpp:49:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 | void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
akcija.cpp:49:75: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 | void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
      |                                                                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 11 ms 1108 KB Output is correct
7 Correct 7 ms 1004 KB Output is correct
8 Correct 7 ms 1052 KB Output is correct
9 Correct 15 ms 1108 KB Output is correct
10 Correct 14 ms 1108 KB Output is correct