Submission #741950

#	Time	Username	Problem	Language	Result	Execution time	Memory
741950		vjudge1	Fireworks (APIO16_fireworks)	C++17	7 / 100	1 ms	320 KiB

fireworks

// #pragma GCC target( "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
// #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")  
#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define sz(x) (int)x.size()
#define bit(a, i) ((a>>i)&1)

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

const int K = 800;
const ll inf = 1e18;
const int mod = 1e9 + 7;
const int maxn = 1e6 + 100;

int n, m;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m;
    ll sum = 0, x = 0;
    vector<int>a;
    for(int i=2; i<=n+m; i++){
    	int v, w; cin >> v >> w;
    	if(v > 1) x += w;
    	else{
    		sum += w;
    		a.pb(w);
		}
	}
	sort(a.begin(), a.end());
	ll nwsum = 0, ans = inf;
	for(int i=0; i<sz(a); i++){
		nwsum += a[i];
		sum -= a[i];
		ans = min(ans, sum-(sz(a)-i-1) * 1ll * a[i] + (i+1) * 1ll * a[i] - nwsum);
	}
	cout << ans+x;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 19
• Subtask 3: 0 / 29
• Subtask 4: 0 / 45