#include<bits/stdc++.h> using namespace std; vector<int> adj[200100]; int ans[101][101][2]; void dfs(int n, int p, int t, int d) { if(n==t) cout << (d?"Marin":"Paula"),exit(0); for(auto i: adj[n]) if(i-p) dfs(i,n,t,!d); } int dfs2(int a, int b, int t) { for(auto i: adj[a]) if(i!=3-t) return ans[i][b][t]; for(auto i: adj[b]) if(i!=3-t) return ans[a][i][t]; } int main() { cin.sync_with_stdio(false); cin.tie(nullptr); int n, a, b; cin >> n >> a >> b; for(int i = 1; i < n; i++) { int x, y; string str; cin >> x >> y >> str; adj[x].push_back(y); adj[y].push_back(x); } dfs(a,0,b,0); dfs2(a,b,0); }

Main.cpp: In function 'int dfs2(int, int, int)':
Main.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^