oj.uz

답안 #985848

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
985848 2024-05-19T05:49:54 Z h_squared 봉쇄 시간 (IOI23_closing) C++17
8 / 100
 108 ms 23660 KB 
#include "closing.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef double dd;
typedef long double ldd;
#define tst int T;cin>>T;for(int t=1;t<=T;t++)
#define nl cout<<"\n";
#define rep(i,l,r) for (int i=l;i<r;i++)
#define per(i,r,l) for (int i=r;i>l;i--)
#define pii pair<int,int>
#define mp(a,b) make_pair(a,b)
#define pb push_back
#define all(a) a.begin(),a.end()
#define sz(a) (int)a.size()
#define vi vector<int>
#define vll vector<ll>
#define PI 3.14159265
#define fi first
#define se second
const ll MOD1=1e9+7;
const ll MOD2=998244353;
ll mod=MOD1;
ll po(ll x,ll y,ll _prime=mod) {if(y<0)return 0;y%=(_prime-1);ll res=1;while(y>0){if(y&1)res=(res*x)%_prime;x=(x*x)%_prime;y>>=1;}return (res%_prime);}
ll gcd(ll a, ll b){if(a<b) swap(a,b);if(b==0) return a;return gcd(a%b,b);}
void bfs(int src,vll &d,vector<vector<pii>>&adj){
    queue<int>q;
    q.push(src);
    fill(all(d),-1);
    d[src]=0;
    while(!q.empty()){
        int u=q.front();q.pop();
        for(auto [v,w]:adj[u]){
            if(d[v]==-1){
                d[v]=d[u]+w;
                q.push(v);
            }
        }
    }
}
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
    vector<vector<pii>>adj(N);
    for(int i=0;i<N-1;i++){
        adj[U[i]].pb({V[i],W[i]});
        adj[V[i]].pb({U[i],W[i]});
    }
    vll dx(N),dy(N);
    bfs(X,dx,adj);
    bfs(Y,dy,adj);
    sort(all(dx));sort(all(dy));
    int ans=0;
    int j=N-1;
    ll sy=0;
    for(auto i:dy)sy+=i;
    ll sx=0;
    rep(i,0,N+1){
        while(j>=0 && sx+sy>K){
            sy-=dy[j];j--;
        }if(sx+sy<=K)ans=max(ans,i+j+1);
        if(i==N)break;
        sx+=dx[i];
    }return ans;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 103 ms 23636 KB Output is correct
2 Correct 108 ms 23660 KB Output is correct
3 Correct 78 ms 5396 KB Output is correct

Subtask #2
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 396 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -