제출 #269763

#제출 시각아이디문제언어결과실행 시간메모리
269763FashoEaster Eggs (info1cup17_eastereggs)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define NNN 100005 #define ll long long int #define fo(i,x,y) for(int i=x;i<=y;i++) #define fs(ar,n) fo(i,1,n) cin>>ar[i] #define sp " " #define fast cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(false) #define pb push_back #define ppb pop_back #define fi first #define se second #define ii pair<int,int> #define lli pair<ll,ll> #include "grader.h" using namespace std; ll n,m,ar[NNN],sum,t,mark[NNN]; queue<int> q; bool check(int x) { vector<int> bos; fo(i,1,x) bos.pb(ar[i]); return query(bos); } int bs() { int l=1,r=n; while(l<r) { if(l==r-1) { if(check(l)) r=l; break; } int mid=(l+r)/2; if(check(mid)) r=mid; else l=mid+1; } return r; } int findEgg (int NN, vector < pair < int, int > > bridges) { n=NN; q.push(1); ll cnt=0; fo(i,0,n-2) { ll a=bridges[i].fi; ll b=bridges[i].se; vv[a].pb(b); vv[b].pb(a); } while(q.size()) { ll x=q.front(); q.pop(); if(mark[x]) continue; mark[x]=++cnt; ar[cnt]=x; for(int i=0;i<vv[x].size();i++) { ll y=vv[x][i]; if(mark[y]) continue; q.push(y); } } // fo(i,1,n) // cout<<ar[i]<<sp; // cout<<endl; // bs(); return bs(); } // int main () // { // // freopen ("input", "r", stdin); // //freopen ("output", "w", stdout); // scanf ("%d", &N); // // int Queries; // vector < pair < int, int > > param; // for (int i=1; i<N; i++) // { // int x, y; // scanf ("%d %d", &x, &y); // v[x].push_back (y); // v[y].push_back (x); // param.push_back ({x, y}); // } // // scanf ("%d", &Queries); // // while (Queries --) // // { // // scanf ("%d", &X), cntQ = 0; // int Y = findEgg (N, param); // // if (X != Y) // // { // // printf ("WA %d instead of %d\n", Y, X); // // return 0; // // } // // printf ("OK %d\n", cntQ); // // } // // return 0; // }

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:59:3: error: 'vv' was not declared in this scope
   59 |   vv[a].pb(b);
      |   ^~
eastereggs.cpp:71:17: error: 'vv' was not declared in this scope
   71 |   for(int i=0;i<vv[x].size();i++)
      |                 ^~