Submission #723189

#	Time	Username	Problem	Language	Result	Execution time	Memory
723189		GrandTiger1729	Split the Attractions (IOI19_split)	C++17	11 / 100	115 ms	15040 KiB

split

#include "split.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q){
	int m = p.size();
    vector<vector<int>> g(n);
    for (int i = 0; i < m; i++){
        int u = p[i], v = q[i];
        g[u].push_back(v);
        g[v].push_back(u);
    }
    vector<bool> vis(n);
    vector<int> ans(n, 3);
    function<void(int)> dfs = [&](int u){
        vis[u] = 1;
        if (b > 0){
            ans[u] = 2;
            b--;
        }
        for (auto &v: g[u]){
            if (vis[v]) continue;
            dfs(v);
        }
    };
    dfs(0);
    for (int i = 0; i < n; i++){
        if (ans[i] == 3){
            ans[i] = 1;
            break;
        }
    }
    return ans;
}

• Subtask 1: 0 / 7
• Subtask 2: 11 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36