제출 #355206

#제출 시각아이디문제언어결과실행 시간메모리
355206NachoLibreCave (IOI13_cave)C++17
100 / 100
288 ms876 KiB
#include "cave.h" #include <bits/stdc++.h> using namespace std; int c[5003],f[5003],a[5003],i,j,x,l,r,m; void A(int R){for(;R>=l;R--)c[R]^=!f[R];} int T(){return(tryCombination(c)+9999)%9999<=i;} void exploreCave(int N){ for(;i<N;i++){ l=0,r=N-1; if(T())A(r); while(l<r)m=l+r>>1,A(m),T()?(r=m,A(m)):(l=m+1,A(m)); a[l]=i,f[l]=1; }answer(c,a); }

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:11:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   11 |      while(l<r)m=l+r>>1,A(m),T()?(r=m,A(m)):(l=m+1,A(m));
      |                  ~^~
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