oj.uz

답안 #909122

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
909122 2024-01-17T05:35:53 Z adhityamv 게임 (APIO22_game) C++17
0 / 100
 1 ms 596 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pii pair<int,int>
#define fi first
#define se second
vector<vector<int>> edges;
vector<vector<int>> redges;
vector<int> minreach;
vector<int> maxreturn;
int n,k;
void init(int N,int K){
    n=N;
    k=K;
    for(int i=0;i<n;i++){
        edges.push_back({});
        redges.push_back({});
    }
    for(int i=0;i<k;i++){
        minreach.push_back(i);
        maxreturn.push_back(i);
    }
    for(int i=k;i<n;i++){
        minreach.push_back(k);
        maxreturn.push_back(-1);
    }
}
bool dfs(int u){
    bool ans=true;
    for(int v:edges[u]){
        if(maxreturn[v]<maxreturn[u]){
            maxreturn[v]=maxreturn[u];
            if((maxreturn[v]>minreach[v]) || (maxreturn[v]==minreach[v] && v>=k)) ans=false;
            if(!dfs(v)) ans=false;;
        }
    }
    return ans;
}
bool rdfs(int u){
    bool ans=true;
    for(int v:redges[u]){
        if(minreach[v]>minreach[u]){
            minreach[v]=minreach[u];
            if((maxreturn[v]>minreach[v]) || (maxreturn[v]==minreach[v] && v>=k)) ans=false;
            if(!dfs(v)) ans=false;;
        }
    }
    return ans;
}
int add_teleporter(int u,int v){
    if(u==v && u<k) return 1;
    edges[u].push_back(v);
    redges[v].push_back(u);
    if(maxreturn[v]<maxreturn[u]){
        maxreturn[v]=maxreturn[u];
        if(!dfs(v)) return 1;
    }
    if(minreach[u]>minreach[v]){
        minreach[u]=minreach[v];
        if(!rdfs(u)) return 1;
    }
    return 0;
}

Subtask #1
0.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 596 KB Wrong Answer[1]
6 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 596 KB Wrong Answer[1]
6 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 596 KB Wrong Answer[1]
6 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 596 KB Wrong Answer[1]
6 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 596 KB Wrong Answer[1]
6 Halted 0 ms 0 KB -