Submission #1168885

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168885		hamzabc	Make them Meet (EGOI24_makethemmeet)	C++20	21 / 100	4 ms	584 KiB

Main

#include <bits/stdc++.h>

using namespace std;
 
 
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define sp << " " <<
#define endl << '\n'


long long int N, M;
vector<vector<int>> graph;


vector<int> p1, p2;
vector<int> vis;


void dfs(int n, int parity=0){
    vis[n] = true;
    int f = true;
    for (auto go : graph[n]){
        if (vis[go])
            continue;
        if (f && n == 0){
            f = false;
            p2[go] = p2[0];
            dfs(go, 1 - parity);
        }
        if (parity){
            p2[go] = p2[n];
        }else{
            p1[go] = p1[n];
        }
        dfs(go, 1 - parity);
    }
}


int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> N >> M;
    graph.resize(N);
    p1.resize(N);
    p2.resize(N);
    vis.resize(N, false);
    for (int i = 0; i < M; i++){
        int a, b;
        cin >> a >> b;
        graph[a].push_back(b);
    }
    for (int i = 0; i < N; i++){
        p1[i] = i + 1;
        p2[i] = i + 1;
    }
    dfs(0);
    cout << 600 endl;
    for (int i = 0; i < 300; i++){
        for (int k : p1) cout << k sp "";
        cout endl;
        for (int k : p2) cout << k sp "";
        cout endl;
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 13
• Subtask 3: 11 / 11
• Subtask 4: 0 / 36
• Subtask 5: 0 / 30