Submission #483648

#TimeUsernameProblemLanguageResultExecution timeMemory
483648alexdumitruEaster Eggs (info1cup17_eastereggs)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #include "grader.h" using namespace std; vector<int> g[550]; int p[550],nrr; void dfs(int nod=1, int t=0) { p[++nrr]=nod; for(auto i:g[nod])if(i!=t)dfs(i,nod); } bool qq(int poz) { vector<int> qqq; for(int i=1;i<=poz;i++)qqq.push_back(p[i]); return query(qqq); } int findEgg(int N, vector<pair<int,int> > bridges) { for(int i=1;i<=n;i++)g[i].clear() int st=1,dr=N-1,m,poz=N; for(auto i:bridges) { g[i.first].push_back(i.second); g[i.second].push_back(i.first); } dfs(); while(st<=dr) { m=st+(dr-st)/2; if(qq(m)) { poz=m; dr=m-1; } else st=m+1; } //cout<<poz<<'\n'; return p[poz]; }

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:19:20: error: 'n' was not declared in this scope
   19 |     for(int i=1;i<=n;i++)g[i].clear()
      |                    ^
eastereggs.cpp:19:38: error: expected ';' before 'int'
   19 |     for(int i=1;i<=n;i++)g[i].clear()
      |                                      ^
      |                                      ;
   20 |     int st=1,dr=N-1,m,poz=N;
      |     ~~~                               
eastereggs.cpp:27:11: error: 'st' was not declared in this scope; did you mean 'std'?
   27 |     while(st<=dr)
      |           ^~
      |           std
eastereggs.cpp:27:15: error: 'dr' was not declared in this scope
   27 |     while(st<=dr)
      |               ^~
eastereggs.cpp:29:9: error: 'm' was not declared in this scope
   29 |         m=st+(dr-st)/2;
      |         ^
eastereggs.cpp:32:13: error: 'poz' was not declared in this scope; did you mean 'pow'?
   32 |             poz=m;
      |             ^~~
      |             pow
eastereggs.cpp:38:14: error: 'poz' was not declared in this scope; did you mean 'pow'?
   38 |     return p[poz];
      |              ^~~
      |              pow