Submission #149594

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
149594	2019-09-01T06:48:01 Z	etyu(#3586, kimjihoon)	HicCup (FXCUP4_hiccup)	C++17	100 / 100	86 ms	4352 KB

hiccup

#include "hiccup.h"
#include <vector>

std::string s;
int N;
std::vector<int> st;

bool ps(int l)
{
	st.clear();
	for (int i = 0; i < N; i++) {
		if (s[i] == 'H') st.push_back(-1);
		else if (s[i] == 'C') {
			if (st.back() != -1) return false;
			st.back() = 0;
			if (l == 0) st.pop_back();
		}
		else {
			if (st.empty() || st.back() == -1) continue;
			st.back()++;
			if (st.back() >= l) st.pop_back();
		}
	}
	return st.empty();
}

int bs(int s, int e)
{
	int md = (s + e + 1) / 2;
	if (s >= e) return md;
	if (ps(md)) return bs(md, e);
	else return bs(s, md - 1);
}

int HicCup(std::string S) {
	N = S.size();
	s = S;
	int c = 0;
	bool f = false;
	for (int i = 0; i < N; i++) {
		if (S[i] == 'H') {
			f = false; c++;
		}
		else if (S[i] == 'C') {
			f = true; c--;
		}
		else if (!f) return -1;
		if (c < 0) return -1;
	}
	if (c != 0) return -1;
	return bs(0, N);
	return 0;
}

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	20 ms	4272 KB	Output is correct
6	Correct	13 ms	4352 KB	Output is correct
7	Correct	15 ms	4224 KB	Output is correct
8	Correct	20 ms	4224 KB	Output is correct
9	Correct	19 ms	4352 KB	Output is correct
10	Correct	13 ms	4352 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct

Subtask #2

76.0 / 76.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	6 ms	512 KB	Output is correct
5	Correct	20 ms	4272 KB	Output is correct
6	Correct	13 ms	4352 KB	Output is correct
7	Correct	15 ms	4224 KB	Output is correct
8	Correct	20 ms	4224 KB	Output is correct
9	Correct	19 ms	4352 KB	Output is correct
10	Correct	13 ms	4352 KB	Output is correct
11	Correct	15 ms	4352 KB	Output is correct
12	Correct	14 ms	4352 KB	Output is correct
13	Correct	13 ms	4224 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	14 ms	4352 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	6 ms	640 KB	Output is correct
19	Correct	32 ms	4352 KB	Output is correct
20	Correct	19 ms	4224 KB	Output is correct
21	Correct	58 ms	4352 KB	Output is correct
22	Correct	53 ms	4096 KB	Output is correct
23	Correct	86 ms	4224 KB	Output is correct
24	Correct	17 ms	4352 KB	Output is correct
25	Correct	21 ms	4352 KB	Output is correct
26	Correct	19 ms	4272 KB	Output is correct
27	Correct	58 ms	4352 KB	Output is correct
28	Correct	77 ms	4352 KB	Output is correct
29	Correct	79 ms	4224 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	9 ms	640 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct