답안 #149596

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149596 2019-09-01T06:48:14 Z ----MIT합격선----(#3601, maruii, Diuven, andy627) HicCup (FXCUP4_hiccup) C++17
100 / 100
435 ms 19768 KB
#include "hiccup.h"
#include <utility>
#include <stack>
#include <cstdlib>
using namespace std;

struct state {
	int a, c, g; // {^, H, C}, !count, ghost
};

typedef pair<char, state> pcs;

int n;

bool check(const string& S, int x){

	stack<pcs> T;
	state now={0,0,0};
	T.push({'^', now});
	for(int i=0; i<n; i++){
		if(S[i]=='H'){
/*			if(now.a==0){
				if(now.g) while(T.top().first!='^') T.pop();
				if(T.top().first!='^') return false;
			}
			else if(now.a==1){
				if(now.g) while(T.top().first!='H') T.pop();
				if(T.top().first!='H') return false;
			}*/
//			now = T.empty() ? {0,0,0} : T.top().second;
			now.a = 1, now.c = 0, now.g = 0;
		}
		if(S[i]=='C'){
			if(now.a != 1) return false;
			now.a = 2, now.c = 0, now.g = 0;
		}
		if(S[i]=='!'){
			if(now.a != 2){
				if(!now.g) return false;
				continue;
			}
			now.c++;
		}
		T.push({S[i], now});

		if(now.c>x) exit(42);
		if(now.c>=x && now.a==2){
			for(int j=0; j<x+2; j++) T.pop();
			now = T.top().second;
			now.g = 1;
		}
	}
	return now.a==0;
}

int HicCup(std::string S) {
	n = S.size();
	int s = 0, e = 1000000;
	while(s<e){
		int mid = (s+e+1)/2;
		if(check(S, mid)) s = mid;
		else e = mid-1;
	}
	return check(S, s) ? s : -1;
}

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 28 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 14 ms 3328 KB Output is correct
8 Correct 32 ms 3200 KB Output is correct
9 Correct 30 ms 3328 KB Output is correct
10 Correct 13 ms 3328 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 28 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 14 ms 3328 KB Output is correct
8 Correct 32 ms 3200 KB Output is correct
9 Correct 30 ms 3328 KB Output is correct
10 Correct 13 ms 3328 KB Output is correct
11 Correct 15 ms 3328 KB Output is correct
12 Correct 19 ms 3352 KB Output is correct
13 Correct 29 ms 4740 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 17 ms 3392 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 6 ms 640 KB Output is correct
19 Correct 76 ms 3328 KB Output is correct
20 Correct 27 ms 3328 KB Output is correct
21 Correct 195 ms 13352 KB Output is correct
22 Correct 200 ms 16156 KB Output is correct
23 Correct 435 ms 19116 KB Output is correct
24 Correct 21 ms 3456 KB Output is correct
25 Correct 27 ms 3328 KB Output is correct
26 Correct 28 ms 3456 KB Output is correct
27 Correct 207 ms 13776 KB Output is correct
28 Correct 326 ms 19240 KB Output is correct
29 Correct 330 ms 19768 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 128 KB Output is correct
32 Correct 26 ms 1920 KB Output is correct
33 Correct 5 ms 384 KB Output is correct