oj.uz

Submission #1037878

# Submission time Handle Problem Language Result Execution time Memory
1037878 2024-07-29T09:35:36 Z _8_8_ Game (APIO22_game) C++17
2 / 100
 21 ms 127252 KB 
#include "game.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 3e5 + 12;
vector<int> g[N],gr[N];
set<int> L[N * 4],R[N * 4];
int k;
void build(int v = 1,int tl = 0,int tr = k - 1) {
    int tm = (tl + tr) >> 1;
    for(int i = tl;i <= tr;i++) {
        if(i <= tm) {
            L[v].insert(i);
        }
        if(i >= tm) {
            R[v].insert(i);
        }
    }
    if(tl == tr) return;
    build(v + v,tl,tm);
    build(v + v + 1,tm + 1,tr);
}
void init(int n, int K) {
    k = K;
    for(int i = 0;i <= k - 2;i++) {
        g[i].push_back(i + 1);
        gr[i + 1].push_back(i);
    }
    build();
}
bool CYC = false;
void add(int x,int y,int v = 1,int tl = 0,int tr = k - 1) {
    int tm = (tl + tr) >> 1;
    function<void(int)> dfs = [&](int u){
        // cout << tm << ' ' << u << "R\n";
        R[v].insert(u);
        if(L[v].find(u) != L[v].end()) {
            CYC = 1;
            return;
        }
        for(int to:g[u]) {
            if(R[v].find(to) == R[v].end()) {
                dfs(to);
            }
            if(CYC) return;
        }
        if(CYC) return;
    };
    function<void(int)> dfs1 = [&](int u){
        // cout << tm << ' ' << u << "L\n";
        if(R[v].find(u) != R[v].end()) {
            CYC = 1;
            return;
        }
        L[v].insert(u);
        for(int to:gr[u]) {
            if(L[v].find(to) == L[v].end()) {
                dfs1(to);
            }
            if(CYC) return;
        }
        if(CYC) return;
    };
    // cout << tm << ' ' << x << ' ' << y << "A\n";
    if(R[v].find(x) != R[v].end() && R[v].find(y) == R[v].end()) {
        dfs(y);
        if(CYC) return;
        if(tl != tr) {
            add(x,y,v+v+1,tm+1,tr);
        }
    }
    if(L[v].find(y) != L[v].end() && L[v].find(x) == L[v].end()) {
        dfs1(x);
        if(CYC) return;
        if(tl != tr) {
            add(x,y,v+v,tl,tm);
        }
    }
}
int add_teleporter(int u, int v) {
    if(CYC) return 1;
    if(max(u,v) <= k - 1) {
        if(u >= v) {
            CYC = 1;
            return 1;
        }
        return 0;
    }
    // cout << u << ' ' << v << '\n';
    g[u].push_back(v);
    gr[v].push_back(u);
    add(u,v);
    return CYC;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 127064 KB Output is correct
2 Correct 21 ms 127252 KB Output is correct
3 Correct 21 ms 127064 KB Output is correct
4 Correct 21 ms 127168 KB Output is correct
5 Correct 20 ms 127064 KB Output is correct
6 Correct 20 ms 127064 KB Output is correct
7 Correct 20 ms 127064 KB Output is correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 127064 KB Output is correct
2 Correct 21 ms 127252 KB Output is correct
3 Correct 21 ms 127064 KB Output is correct
4 Correct 21 ms 127168 KB Output is correct
5 Correct 20 ms 127064 KB Output is correct
6 Correct 20 ms 127064 KB Output is correct
7 Correct 20 ms 127064 KB Output is correct
8 Correct 20 ms 127064 KB Output is correct
9 Correct 21 ms 127216 KB Output is correct
10 Correct 20 ms 127064 KB Output is correct
11 Correct 20 ms 127064 KB Output is correct
12 Correct 20 ms 127064 KB Output is correct
13 Incorrect 20 ms 127064 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 127064 KB Output is correct
2 Correct 21 ms 127252 KB Output is correct
3 Correct 21 ms 127064 KB Output is correct
4 Correct 21 ms 127168 KB Output is correct
5 Correct 20 ms 127064 KB Output is correct
6 Correct 20 ms 127064 KB Output is correct
7 Correct 20 ms 127064 KB Output is correct
8 Correct 20 ms 127064 KB Output is correct
9 Correct 21 ms 127216 KB Output is correct
10 Correct 20 ms 127064 KB Output is correct
11 Correct 20 ms 127064 KB Output is correct
12 Correct 20 ms 127064 KB Output is correct
13 Incorrect 20 ms 127064 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 127064 KB Output is correct
2 Correct 21 ms 127252 KB Output is correct
3 Correct 21 ms 127064 KB Output is correct
4 Correct 21 ms 127168 KB Output is correct
5 Correct 20 ms 127064 KB Output is correct
6 Correct 20 ms 127064 KB Output is correct
7 Correct 20 ms 127064 KB Output is correct
8 Correct 20 ms 127064 KB Output is correct
9 Correct 21 ms 127216 KB Output is correct
10 Correct 20 ms 127064 KB Output is correct
11 Correct 20 ms 127064 KB Output is correct
12 Correct 20 ms 127064 KB Output is correct
13 Incorrect 20 ms 127064 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 127064 KB Output is correct
2 Correct 21 ms 127252 KB Output is correct
3 Correct 21 ms 127064 KB Output is correct
4 Correct 21 ms 127168 KB Output is correct
5 Correct 20 ms 127064 KB Output is correct
6 Correct 20 ms 127064 KB Output is correct
7 Correct 20 ms 127064 KB Output is correct
8 Correct 20 ms 127064 KB Output is correct
9 Correct 21 ms 127216 KB Output is correct
10 Correct 20 ms 127064 KB Output is correct
11 Correct 20 ms 127064 KB Output is correct
12 Correct 20 ms 127064 KB Output is correct
13 Incorrect 20 ms 127064 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -