Submission #1271419

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271419		kawhiet	Ronald (COCI17_ronald)	C++20	15 / 120	23 ms	3652 KiB

ronald

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

const int N = 1e3;

vector<int> g[N];
bool vis[N];
int cnt = 0;

void dfs(int u) {
    vis[u] = 1;
    cnt++;
    for (auto v : g[u]) {
        if (!vis[v]) {
            dfs(v);
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int u, v;
        cin >> u >> v;
        u--; v--;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    for (int i = 0; i < n; i++) {
        if (!vis[i]) {
            dfs(i);
            if (cnt >= 3) {
                cout << "NE" << '\n';
                return 0;
            }
            cnt = 0;
        }
    }
    cout << "DA" << '\n';
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15
• Subtask 7: 0 / 15
• Subtask 8: 0 / 15