제출 #148885

#제출 시각아이디문제언어결과실행 시간메모리
148885Dopatii (#200)HicCup (FXCUP4_hiccup)C++17
0 / 100
26 ms3328 KiB
#include "hiccup.h" #include <bits/stdc++.h> using namespace std; int HicCup(std::string S) { int N = S.size(); int nrH = 0, nrC = 0; for(auto i : S){ if(i == '!' && (nrH == 0 || nrC == 0)) return -1; else if(i == 'H') ++nrH; else if(i == 'C'){ ++nrC; if(nrC > nrH) return -1; } } for(int i = 0; i < N - 1 ; ++i) if(S[i] == 'H' && S[i + 1] == '!') return -1; for(int i = 0; i < N ; ++i){ int nr = 0; while(i < N && S[i] == 'H') ++nr, ++i; if(nr < 2) continue ; nr = 0; while(i < N && S[i] == 'C') ++nr, ++i; if(nr >= 2) return 0; } int st = 0, dr = N; while(st <= dr){ int mij = (st + dr) / 2; int nr = 0, f = 0; bool ok = true; for(int i = N - 1; i >= 0 ; --i){ if(S[i] == '!') ++nr; else if(S[i] == 'C') nr -= mij; if(nr < 0) {ok = false; break ;} } if(ok) st = mij + 1; else dr = mij - 1; } return dr; }

컴파일 시 표준 에러 (stderr) 메시지

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:33:21: warning: unused variable 'f' [-Wunused-variable]
         int nr = 0, f = 0;
                     ^
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