Submission #764242

#	Time	Username	Problem	Language	Result	Execution time	Memory
764242		idkhandle	HicCup (FXCUP4_hiccup)	C++17	100 / 100	74 ms	8296 KiB

hiccup

#include "hiccup.h"
#include<vector>
#include<deque>
using namespace std;

bool f(string& S, int X){
    deque<int>Q(S.begin(),S.end());
    vector<int>V{-1};
    bool z=0;
    while(!Q.empty()){
        char q=Q.front();
        Q.pop_front();
        if(q=='H'){
            z=0;
            V.emplace_back(0);
        }else if(q=='C'){
            z=0;
            if(V.back()!=0)return false;
            V.back()=1;
            if(X==0){
                V.pop_back();
                z=1;
            }
        }else{
            if(V.back()<1){
                if(!z)return false;
                continue;
            }
            V.back()++;
            if(V.back()==X+1){
                V.pop_back();
                z=1;
            }
        }
    }
    if(V.size()>1)return false;
    return true;
}

int HicCup(std::string S) {
	int N = S.size();
	int l=-1,r=N;
	while(l<r){
        int X=(l+r+1)/2;
        if(f(S,X))l=X;
        else r=X-1;
	}
	return l;
}

• Subtask 1: 24 / 24
• Subtask 2: 76 / 76