oj.uz

Submission #1038682

# Submission time Handle Problem Language Result Execution time Memory
1038682 2024-07-30T06:06:20 Z _8_8_ Game (APIO22_game) C++17
12 / 100
 133 ms 191056 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 * 3],R[N * 3];
int k;
int nn;
void build(int v = 1,int tl = 0,int tr = k - 1) {
    if(tl > tr) return;
    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 - 1);
    build(v + v + 1,tm + 1,tr);
}
void init(int n, int K) {
    k = K;
    nn = n;
    for(int i = 0;i <= k - 2;i++) {
        g[i].push_back(i + 1);
        gr[i + 1].push_back(i); 
    }
    build();
}
bool CYC = false;
vector<int>_r[N];
bool check(int tm,int prev,int v,int val) {
    if(prev == -1) return 1;
    if(prev < tm && R[v / 2].find(val) == R[v / 2].end()) return false;
    if(prev > tm && L[v / 2].find(val) == L[v / 2].end()) return false;
    return 1;
}
set<int> bfl[N * 3],bfr[N * 3];
void add(int x,int y,int &v,int &tl,int &tr,int &prev) {
    if(tl > tr) return;
    if(CYC) return;
    int tm = (tl + tr) >> 1;
    function<void(int)> dfs = [&](int u){
        R[v].insert(u);
        _r[u].push_back(tm);
        // cout << tm << ' ' << u << "R\n";
        if(L[v].find(u) != L[v].end()) {
            CYC = 1;
            return;
        }
        for(int to:g[u]) {
            if(R[v].find(to) == R[v].end() && check(tm,prev,v,to)) {
                dfs(to);
            }
            if(CYC) return;
        }
        if(CYC) return;
    };
    if(R[v].find(x) != R[v].end()) bfr[v].insert(y);
    auto it = bfr[v].begin();
    bool ok = false;
    while(it != bfr[v].end()) {
        if(R[v].find(*it) != R[v].end()){
            it = bfr[v].erase(it);
            ok  = 1;
            continue;
        }
        if(R[v].find(*it) == R[v].end() && check(tm,prev,v,*it)) {
            dfs(*it);
            ok = 1;
            it = bfr[v].erase(it);
        }else {
            it++;
        }
    }
    if(ok) {
        v = v + v + 1;
        tl = tm + 1;
        prev = tm;
    } else {
        v += v;
        tr = tm - 1;
        prev = tm;
    }
}
void addl(int x,int y,int &v,int &tl,int &tr,int &prev) {
    if(tl > tr) return;
    if(CYC) return;
    int tm = (tl + tr) >> 1;
    function<void(int)> dfs1 = [&](int u){
        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() && (check(tm,prev,v,to))) {
                dfs1(to);
            }
            if(CYC) return;
        }
        if(CYC) return;
    };
    bool ok = false;
    if(L[v].find(y) != L[v].end()) {
        bfl[v].insert(x);
    }
    auto it = bfl[v].begin();
    while(it != bfl[v].end()) {
        if(L[v].find(*it)!=L[v].end()){
            it = bfl[v].erase(it);
            ok = 1;
            continue;
        }
        if(check(tm,prev,v,*it)) {
            dfs1(*it);
            it = bfl[v].erase(it);
            ok = 1;
        }else {
            it++;
        }
    }
    if(ok) {
        v += v;
        tr = tm - 1;
        prev = tm;
    } else {
        v = v + v + 1;
        tl = tm + 1;
        prev = tm;
    }
}
void _add(int u,int v) {
    int v1 = 1,tl1 = 0,tr1 = k - 1,prev1 = -1;
    int v2 = 1,tl2 = 0,tr2 = k - 1,prev2 = -1;
    while(tl1 <= tr1 || tl2 <= tr2) {
        add(u,v,v2,tl2,tr2,prev2);
        addl(u,v,v1,tl1,tr1,prev1);
        if(CYC) break;
    }
}
int add_teleporter(int u, int v) {
    if(max(u,v) <= k - 1) {
        if(u >= v) {
            CYC = 1;
            return 1;
        }
        return 0;
    }
    if(CYC) return 1;
    g[u].push_back(v);
    gr[v].push_back(u);
    _add(u,v);
    // cout << "_____________\n";
    return CYC;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 190528 KB Output is correct
2 Correct 72 ms 190528 KB Output is correct
3 Correct 76 ms 190632 KB Output is correct
4 Correct 75 ms 190540 KB Output is correct
5 Correct 74 ms 190544 KB Output is correct
6 Correct 78 ms 190544 KB Output is correct
7 Correct 73 ms 190632 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 190528 KB Output is correct
2 Correct 72 ms 190528 KB Output is correct
3 Correct 76 ms 190632 KB Output is correct
4 Correct 75 ms 190540 KB Output is correct
5 Correct 74 ms 190544 KB Output is correct
6 Correct 78 ms 190544 KB Output is correct
7 Correct 73 ms 190632 KB Output is correct
8 Correct 76 ms 190392 KB Output is correct
9 Correct 72 ms 190544 KB Output is correct
10 Correct 73 ms 190544 KB Output is correct
11 Correct 75 ms 190544 KB Output is correct
12 Correct 74 ms 190544 KB Output is correct
13 Correct 88 ms 190472 KB Output is correct
14 Correct 72 ms 190544 KB Output is correct
15 Correct 72 ms 190636 KB Output is correct
16 Correct 71 ms 190544 KB Output is correct
17 Correct 71 ms 190548 KB Output is correct
18 Correct 72 ms 190544 KB Output is correct
19 Correct 81 ms 190544 KB Output is correct

Subtask #3
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 190528 KB Output is correct
2 Correct 72 ms 190528 KB Output is correct
3 Correct 76 ms 190632 KB Output is correct
4 Correct 75 ms 190540 KB Output is correct
5 Correct 74 ms 190544 KB Output is correct
6 Correct 78 ms 190544 KB Output is correct
7 Correct 73 ms 190632 KB Output is correct
8 Correct 76 ms 190392 KB Output is correct
9 Correct 72 ms 190544 KB Output is correct
10 Correct 73 ms 190544 KB Output is correct
11 Correct 75 ms 190544 KB Output is correct
12 Correct 74 ms 190544 KB Output is correct
13 Correct 88 ms 190472 KB Output is correct
14 Correct 72 ms 190544 KB Output is correct
15 Correct 72 ms 190636 KB Output is correct
16 Correct 71 ms 190544 KB Output is correct
17 Correct 71 ms 190548 KB Output is correct
18 Correct 72 ms 190544 KB Output is correct
19 Correct 81 ms 190544 KB Output is correct
20 Correct 75 ms 190544 KB Output is correct
21 Correct 71 ms 190540 KB Output is correct
22 Correct 75 ms 190676 KB Output is correct
23 Correct 73 ms 190544 KB Output is correct
24 Correct 74 ms 190980 KB Output is correct
25 Correct 127 ms 191052 KB Output is correct
26 Correct 90 ms 191056 KB Output is correct
27 Correct 133 ms 191056 KB Output is correct
28 Incorrect 88 ms 191052 KB Wrong Answer[1]
29 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 190528 KB Output is correct
2 Correct 72 ms 190528 KB Output is correct
3 Correct 76 ms 190632 KB Output is correct
4 Correct 75 ms 190540 KB Output is correct
5 Correct 74 ms 190544 KB Output is correct
6 Correct 78 ms 190544 KB Output is correct
7 Correct 73 ms 190632 KB Output is correct
8 Correct 76 ms 190392 KB Output is correct
9 Correct 72 ms 190544 KB Output is correct
10 Correct 73 ms 190544 KB Output is correct
11 Correct 75 ms 190544 KB Output is correct
12 Correct 74 ms 190544 KB Output is correct
13 Correct 88 ms 190472 KB Output is correct
14 Correct 72 ms 190544 KB Output is correct
15 Correct 72 ms 190636 KB Output is correct
16 Correct 71 ms 190544 KB Output is correct
17 Correct 71 ms 190548 KB Output is correct
18 Correct 72 ms 190544 KB Output is correct
19 Correct 81 ms 190544 KB Output is correct
20 Correct 75 ms 190544 KB Output is correct
21 Correct 71 ms 190540 KB Output is correct
22 Correct 75 ms 190676 KB Output is correct
23 Correct 73 ms 190544 KB Output is correct
24 Correct 74 ms 190980 KB Output is correct
25 Correct 127 ms 191052 KB Output is correct
26 Correct 90 ms 191056 KB Output is correct
27 Correct 133 ms 191056 KB Output is correct
28 Incorrect 88 ms 191052 KB Wrong Answer[1]
29 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 190528 KB Output is correct
2 Correct 72 ms 190528 KB Output is correct
3 Correct 76 ms 190632 KB Output is correct
4 Correct 75 ms 190540 KB Output is correct
5 Correct 74 ms 190544 KB Output is correct
6 Correct 78 ms 190544 KB Output is correct
7 Correct 73 ms 190632 KB Output is correct
8 Correct 76 ms 190392 KB Output is correct
9 Correct 72 ms 190544 KB Output is correct
10 Correct 73 ms 190544 KB Output is correct
11 Correct 75 ms 190544 KB Output is correct
12 Correct 74 ms 190544 KB Output is correct
13 Correct 88 ms 190472 KB Output is correct
14 Correct 72 ms 190544 KB Output is correct
15 Correct 72 ms 190636 KB Output is correct
16 Correct 71 ms 190544 KB Output is correct
17 Correct 71 ms 190548 KB Output is correct
18 Correct 72 ms 190544 KB Output is correct
19 Correct 81 ms 190544 KB Output is correct
20 Correct 75 ms 190544 KB Output is correct
21 Correct 71 ms 190540 KB Output is correct
22 Correct 75 ms 190676 KB Output is correct
23 Correct 73 ms 190544 KB Output is correct
24 Correct 74 ms 190980 KB Output is correct
25 Correct 127 ms 191052 KB Output is correct
26 Correct 90 ms 191056 KB Output is correct
27 Correct 133 ms 191056 KB Output is correct
28 Incorrect 88 ms 191052 KB Wrong Answer[1]
29 Halted 0 ms 0 KB -