제출 #148520

#제출 시각아이디문제언어결과실행 시간메모리
148520본인 하지만 안 어림 ㅋㅋ (#200)HicCup (FXCUP4_hiccup)C++17
0 / 100
6 ms416 KiB
#include <bits/stdc++.h> using namespace std; #include "hiccup.h" int HicCup(std::string s) { s.insert(s.begin(), 'H'); s.push_back('C'); int n = s.size(); int c = 0; for(int i = 0; i < n; i++) { if(s[i] == 'H') c++; else if(s[i] == 'C') c--; if(c < 0) return -1; } if(c != 0) return -1; int l = 0; int r = n; while(l <= r) { int x = (l + r + 1) / 2; bool ok = 1; bool u = 0; int t = 0; stack<vector<int>> stk; stk.push(vector<int>()); for(int i = 0; i < n; i++) { if(s[i] == 'H') { if(i != 0 && !stk.empty()) { stk.top().push_back(t); t = 0; } stk.push(vector<int>()); u = 0; } else if(s[i] == 'C') { if(!stk.empty()) { if(s[i - 1] != 'H') { stk.top().push_back(t); t = 0; } int sz = stk.top().size(); int cnt = 0; for(int j = sz - 1; j >= 1; j--) { cnt += stk.top()[j]; cnt -= x; if(cnt < 0) { ok = 0; break; } } if(!ok) break; stk.pop(); } u = 1; } else { if(!u) return -1; t++; } } if(l == r) return l; if(ok) l = x; else r = x - 1; } }

컴파일 시 표준 에러 (stderr) 메시지

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:97:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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