oj.uz

Submission #709014

# Submission time Handle Problem Language Result Execution time Memory
709014 2023-03-13T04:07:01 Z vjudge1 Akcija (COCI15_akcija) C++17
80 / 80
 17 ms 1264 KB 
#include <bits/stdc++.h>
using namespace std;

// #pragma comment(linker, "/stack:2000000000")
// #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")


typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;

#define precise(a) cout<<fixed<<setprecision(a)
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(), a.rend()
#define pb push_back
// t1
const ll mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const ll N = ll(1e6)+10;
const ll K = 17;
const ll inf = 4e18;
const ld eps = 1e-15L;
// const ll B = 316;
// const ld pie = acos(-1.0);

ll lcm(ll a, ll b){ return (a / __gcd(a,b))*b; }
ll binpow(ll a, ll b, ll m){ ll res=1;a%=m; while(b>0){ if(b&1)res=(res*a)%m; a=(a*a)%m; b/=2; } return res%m;}

void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }

void precalc() {

}


void Baizho()
{  
	ll n; cin>>n;
	ll a[n+11];
	for(ll i=1; i<=n; i++) cin>>a[i];
	sort(a+1, a+n+1, greater<ll>());
	ll ans = 0;
	for(ll i=1; i<=n; i++) {
		if(i%3!=0) ans+=a[i];
	}
	cout<<ans;

}


int main() {

    // Freopen("div7");
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
    precalc();


    int ttt = 1;
    // cin>>ttt;

    for(int i=1; i<=ttt; i++) {Baizho(); }
}

Compilation message

akcija.cpp: In function 'void Freopen(std::string)':
akcija.cpp:34:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
akcija.cpp:34:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 13 ms 1136 KB Output is correct
7 Correct 9 ms 1236 KB Output is correct
8 Correct 8 ms 1180 KB Output is correct
9 Correct 15 ms 1236 KB Output is correct
10 Correct 17 ms 1264 KB Output is correct