제출 #150534

#제출 시각아이디문제언어결과실행 시간메모리
150534=SUM(D1:D9) (#200)Bulb Game (FXCUP4_bulb)C++17
100 / 100
89 ms8192 KiB
#include "bulb.h" std::vector<int> left,right; std::pair<int,int> func(int k) { int pivot; int C = 1; for(pivot = k; pivot>=0; pivot = left[pivot]) { int p = right[pivot]; while(p>=0) p = left[p]; if(p==-2) C = 0; } if(pivot==-2) return std::make_pair(0,C); else return std::make_pair(1,C); } int FindWinner(int T, std::vector<int> L, std::vector<int> R){ int N = L.size(); left = L, right = R; int pivot = 0; while(pivot>=0) pivot = L[pivot]; if(pivot==-2) return 0; pivot = 0; while(pivot>=0) { std::pair<int,int> P = func(R[pivot]); if(P.second==1) return 1; if(P.first==1) pivot = L[pivot]; else return 0; } return 1; }

컴파일 시 표준 에러 (stderr) 메시지

bulb.cpp: In function 'int FindWinner(int, std::vector<int>, std::vector<int>)':
bulb.cpp:20:6: warning: unused variable 'N' [-Wunused-variable]
  int N = L.size();
      ^
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