Submission #1152240

#	Time	Username	Problem	Language	Result	Execution time	Memory
1152240		dnnnda	Marathon Race 2 (JOI24_ho_t3)	C++20	24 / 100	620 ms	156992 KiB

Main

#include<bits/stdc++.h>
//#include<bits/extc++.h>
using namespace std;
//using namespace __gnu_pbds;
#define S second
#define F first
#define ll long long
//#pragma GCC optimize("Ofast, unroll-loop")
//#pragma GCC target("avx,avx2")
#pragma GCC optimize("O3")
const int inf=0x3f3f3f3f;
const ll inff=0x3f3f3f3f3f3f3f3f;
const int X=1000000007;

int x[20];
ll dp[1000006][20];

signed main(){
    ios::sync_with_stdio(false), cin.tie(nullptr);
    int n, l; cin >> n >> l;
    if(n>20) return 0;
    for(int i=1 ; i<=n ;i ++) cin >> x[i];
    n++;
    int q; cin >> q;
    while(q--){
        memset(dp,0x3f,sizeof dp);
        ll ans=inff;
        int s, g, t; cin >> s >> g >> t;
        x[0]=s;
        dp[1][0]=0;
        for(int i=1 ; i<(1<<n) ; i++) for(int j=0 ; j<n ; j++){
            vector<int> v;
            int w=__builtin_popcount(i);
            for(int k=0 ; k<n ; k++) if((i&(1<<k))==0) v.push_back(k);
            for(int k:v){
                dp[i|(1<<k)][k]=min(dp[i|(1<<k)][k],dp[i][j]+1LL*w*abs(x[j]-x[k]));
            }
        }
        for(int j=1 ; j<n ; j++) ans=min(ans,dp[(1<<n)-1][j]+n*abs(x[j]-g));
        //cout << ans+n-1 << '\n';
        cout << (ans+n-1<=t ? "Yes\n" : "No\n");
    }

    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 28
• Subtask 5: 0 / 10
• Subtask 6: 0 / 19
• Subtask 7: 0 / 19