Submission #1353358

#	Time	Username	Problem	Language	Result	Execution time	Memory
1353358		nataliaa	Easter Eggs (info1cup17_eastereggs)	C++20	Compilation error	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
 #include "grader.h"
 #define ff first
#define sc second
vector<int> ok;
vector<int> v1[515];
int vis[515];
void dfs(int u){
    vis[u] = 1;
    ok.push_back(u);
    for(auto i : v1[u]){
        if(vis[i]==0) dfs(i);
    }
}
int findEgg (int n, vector < pair < int, int > > v2){
    ok.clear();
    for(int i = 0; i<=n; i++){vis[i] = 0; v[i].clear();}
    for(int i = 0; i < n-1; i++) {
        int x = v2[i].ff, y = v2[i].sc;
        v1[x].push_back(y);
        v1[y].push_back(x);
    }
    ok.push_back(-1);
    dfs(1);
    int l = 1, r = n-1;
    int x = n;
    cout << endl;
    while(l<=r){
        vector<int>ans ;
        int m = (l+r)/2;
        for(int i  = 1; i <= m; i++) ans.push_back(ok[i]);
        if(query(ans)) {r = m-1; x = m;}
        else l = m+1;
    }
    return ok[x];
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:17:43: error: 'v' was not declared in this scope
   17 |     for(int i = 0; i<=n; i++){vis[i] = 0; v[i].clear();}
      |                                           ^