Submission #1198520

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198520		reyleigh	September (APIO24_september)	C++20	Compilation error	0 ms	0 KiB

september

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

const int N = 2e5 + 7;
vector<int> g[N];
bool vis[N];

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

int solve(int n, int m, vector<int> f, vector<vector<int>> s) {
  for (int i = 1; i < n; i++) {
    g[f[i]].push_back(i);
  }
  int ans = 0;
  for (int i = 0; i < m; i++) {
    for (int j = 0; j < n - 1; j++) {
      if (!vis[s[i][j]]) {
        dfs(s[i][j]);
        ans++;
      }
    }
  }
  return ans;
}

/*int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n, m; cin >> n >> m;
  vector<int> f(n);
  for (int i = 0; i < n; i++) {
    cin >> f[i];
  }
  vector<vector<int>> s(m, vector<int>(n));
  for (int i = 0; i < m; i++) {
    for (int j = 0; j < n - 1; j++) {
      cin >> s[i][j];
    }
  }
  solve(n, m, f, s);
}

Compilation message (stderr)

september.cpp:34:1: error: unterminated comment
   34 | /*int main() {
      | ^