oj.uz

답안 #1068876

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1068876 2024-08-21T12:44:00 Z _8_8_ 카멜레온의 사랑 (JOI20_chameleon) C++17
64 / 100
 67 ms 896 KB 
#include "chameleon.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 5e3 + 12;
vector<int> g[N];
int n;
void make(vector<int> &l,vector<int> &r,int i) {
    l.clear();
    r.clear();
    vector<int> d(N,0);
    function<void(int)>dfs = [&](int v) {
        if(d[v] & 1) {
            l.push_back(v);
        } else {
            r.push_back(v);
        }
        for(int to:g[v]) {
            if(!d[to]) {
                d[to] = d[v] + 1;
                dfs(to);
            }
        }
    };
    for(int j = 1;j < i;j++) {
        if(!d[j]) {
            d[j] = 1;
            dfs(j);
        }
    }
}
bool vis[N];
int to[N],fr[N];
set<int> st[N];
void Solve(int n_) {
    n = n_;
    vector<int> l,r;
    for(int i = 2;i <= n + n;i++) {
        make(l,r,i);
        auto ed = [&](vector<int> &x) -> void{
            int it = 0,m = (int)x.size();
            while(it < m) {
                if((int)g[i].size() == 3) break;
                int l = it - 1,r = m;
                while(r - l > 1) {
                    int mid = (l + r) >> 1;
                    vector<int> t(1,i);
                    for(int j = it; j <= mid; ++j) {
                        t.push_back(x[j]);
                    }
                    if(Query(t) != (int)t.size()) {
                        r = mid; 
                    } else {
                        l = mid;
                    }
                }
                if(r != m) {
                    g[i].push_back(x[r]);
                    g[x[r]].push_back(i);
                }
                if((int)g[i].size() == 3) break;
                it = r + 1;
            }
        };
        ed(l);
        ed(r);
    }
    for(int i = 1;i <= n + n;i++) {
        if(vis[i]) continue;
        if(g[i].size() == 1) {
            Answer(i,g[i][0]);
            vis[i] = vis[g[i][0]] = 1;
        }
    }
    for(int i = 1;i <= n + n;i++) {
        if(vis[i]) continue;
        for(int j:g[i]) {
            if(vis[j]) continue;
            st[i].insert(j);
        }
    }
    for(int i = 1;i <= n + n;i++) {
        if(vis[i]) continue;
        if((int)st[i].size() == 1) continue;
        if((int)g[i].size() >= 2 &&Query({i,g[i][0],g[i][1]}) == 1) {
            st[i].erase(g[i][2]);
            st[g[i][2]].erase(i);
        } else if(g[i].size() >= 3 && Query({i,g[i][2],g[i][1]}) == 1) {
            st[i].erase(g[i][0]);
            st[g[i][0]].erase(i);
        } else if(g[i].size() >= 3 && Query({i,g[i][0],g[i][2]}) == 1){
            st[i].erase(g[i][1]);
            st[g[i][1]].erase(i);
        }
    }
    for(int i = 1;i <= n + n;i++) {
        if(vis[i] || st[i].empty()) continue;
        int t = (*st[i].begin());
        Answer(i,t);
        vis[i] = vis[t] = 1;
    }
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 41 ms 848 KB Output is correct
4 Correct 36 ms 840 KB Output is correct
5 Correct 67 ms 848 KB Output is correct
6 Correct 67 ms 852 KB Output is correct
7 Correct 38 ms 848 KB Output is correct
8 Correct 67 ms 856 KB Output is correct
9 Correct 36 ms 856 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 600 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 856 KB Output is correct
12 Correct 1 ms 848 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 1 ms 856 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 2 ms 856 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 2 ms 600 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 39 ms 848 KB Output is correct
4 Correct 41 ms 856 KB Output is correct
5 Correct 41 ms 896 KB Output is correct
6 Correct 45 ms 892 KB Output is correct
7 Correct 42 ms 896 KB Output is correct
8 Correct 42 ms 856 KB Output is correct
9 Correct 43 ms 876 KB Output is correct

Subtask #5
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 41 ms 848 KB Output is correct
4 Correct 36 ms 840 KB Output is correct
5 Correct 67 ms 848 KB Output is correct
6 Correct 67 ms 852 KB Output is correct
7 Correct 38 ms 848 KB Output is correct
8 Correct 67 ms 856 KB Output is correct
9 Correct 36 ms 856 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 856 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 1 ms 856 KB Output is correct
21 Correct 1 ms 848 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 1 ms 856 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 0 ms 600 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 39 ms 848 KB Output is correct
31 Correct 41 ms 856 KB Output is correct
32 Correct 41 ms 896 KB Output is correct
33 Correct 45 ms 892 KB Output is correct
34 Correct 42 ms 896 KB Output is correct
35 Correct 42 ms 856 KB Output is correct
36 Correct 43 ms 876 KB Output is correct
37 Incorrect 38 ms 864 KB Wrong Answer [3]
38 Halted 0 ms 0 KB -