Submission #918116

#	Time	Username	Problem	Language	Result	Execution time	Memory
918116		Sputnik123	Easter Eggs (info1cup17_eastereggs)	C++14	Compilation error	0 ms	0 KiB

eastereggs

#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
vector <int> e;
vector <int> adj[700];
void dfs(int node,int par)
{
    for(int i:adj[node])
    {
        if(i==par)  continue;
        dfs(i,node);
    }
}
int findegg(int n,vector<pair<int,int>> bridges)
{
    e.clear();
    for(int i=0;i<n;i++)
        adj[i].clear();
    for(pair <int,int> p: bridges)
    {
        adj[p.first].push_back(p.second);
        adj[p.second].push_back(p.first);
    }
    dfs(1,1);
    int l=0,e=r.size()-1;
    while (l < r)
    {
        int mid = (l + r) >> 1;
        vector<int> nw;
        for (int i = 0; i <= mid; i++) nw.push_back(e[i]);
        if (query(nw)) r = mid;
        else l = mid + 1;
    }
    return e[l];
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findegg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:25:15: error: 'r' was not declared in this scope
   25 |     int l=0,e=r.size()-1;
      |               ^
eastereggs.cpp:30:54: error: invalid types 'int[int]' for array subscript
   30 |         for (int i = 0; i <= mid; i++) nw.push_back(e[i]);
      |                                                      ^
eastereggs.cpp:34:13: error: invalid types 'int[int]' for array subscript
   34 |     return e[l];
      |             ^