제출 #1230148

#제출 시각아이디문제언어결과실행 시간메모리
1230148lioowFinding Routers (IOI20_routers)C++20
컴파일 에러
0 ms0 KiB
#include "routers.h" #include <vector> #include <cassert> #include <cstdio> #include <algorithm> using namespace std; std::vector<int> find_routers(int le, int n, int q) { vector<int>ans(n); ans[0]=0; for(int i=1;i<=n-1;i++){ int l=ans[i-1]+1; int r=le-1; int an=-1; int lol=-1; while(l<r){ int mid=(l+r)/2; int nw=use_detector(mid); if(nw>=i){ an=mid; r=mid-1; } else { if(nw==i-1) lol=ans[i-1]+2*(nw-ans[i-1]); l=mid+1; } } if(lol==-1) ans[i]=nw; else ans[i]=lol; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

routers.cpp: In function 'std::vector<int> find_routers(int, int, int)':
routers.cpp:27:36: error: 'nw' was not declared in this scope; did you mean 'n'?
   27 |                 if(lol==-1) ans[i]=nw;
      |                                    ^~
      |                                    n