Submission #696573

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
696573	2023-02-06 22:35:34	Deepesson	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	1620 ms	4408 KiB

Main

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#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define MAX 505
typedef std::pair<double,int> pdd;
typedef std::pair<long long ,long long> pii;
using ll = long long;
pdd tab[MAX][MAX];
int K=0;
std::vector<pii> regs;
int N;
long long C;
double inf = 1LL<<50LL;
pdd dp(void){
    for(int i=0;i!=MAX;++i){
        tab[N][i]={inf,0};
    }
    tab[N][0]={0.0,0};
    for(int i=N-1;i!=-1;--i){
        for(int j=0;j<=K;++j){
            tab[i][j]={inf,0};
            const double pegou = K-j+1;
            if(j){
                double custo = (double)regs[i].first/pegou;
                pdd g = tab[i+1][j-1];
                g.first+=custo;
                tab[i][j]=std::min(tab[i][j],g);
            }
            if(regs[i].second<=C){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 12 / 12
• Subtask 5: 33 / 33
• Subtask 6: 11 / 11
• Subtask 7: 23 / 23