제출 #148776

#제출 시각아이디문제언어결과실행 시간메모리
148776Dopatii (#200)HicCup (FXCUP4_hiccup)C++17
0 / 100
25 ms3456 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; } } 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(f == 0 && nr > 0) nr = 0, f = 1; } if(nr < 0) {ok = false; break ;} } if(ok) st = mij + 1; else dr = mij - 1; } return dr; }
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