Submission #1178299

#	Time	Username	Problem	Language	Result	Execution time	Memory
1178299		biank	Marathon Race 2 (JOI24_ho_t3)	C++20	24 / 100	97 ms	2872 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define forn(i,n) for(int i=0;i<int(n);i++)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define fst first
#define snd second
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()

typedef long long ll;
typedef vector<ll> vll;
typedef vector<int> vi;
typedef pair<int,int> ii;

const ll INF=1e18;

void chmin(ll &x, ll v){
    if(x>v) x=v;
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n,l;
    cin>>n>>l;
    vi x(n);
    forn(i,n) cin>>x[i];
    int q;
    cin>>q;
    forn(_,q){
        int s,g,t;
        cin>>s>>g>>t;
        vector<vll> dp(1<<n,vll(n,INF));
        forn(i,n) dp[1<<i][i]=abs(s-x[i])+1;
        forsn(mask,1,1<<n){
            int c=__builtin_popcount(mask);
            forn(i,n) if(mask>>i&1){
                forn(j,n) if(!(mask>>j&1)){
                    chmin(dp[mask^(1<<j)][j],dp[mask][i]+(c+1)*abs(x[j]-x[i])+1);
                }
            }
        }
        ll res=INF;
        forn(i,n) res=min(res,dp[(1<<n)-1][i]+(n+1)*abs(g-x[i]));
        if(res<=t) cout<<"Yes\n";
        else cout<<"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