Submission #149322

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
149322	2019-09-01T06:14:49 Z	koosaga fan club(#3590, xiaowuc1)	HicCup (FXCUP4_hiccup)	C++17	100 / 100	119 ms	4372 KB

hiccup

#include <bits/stdc++.h>
#include "hiccup.h"

using namespace std;

const int HONLY = -1;
const int HCONLY = 0;
bool valid(string s, int sz) {
	vector<int> v;
	for(int i = 0; i < s.size(); i++) {
		if(s[i] == 'H') {
			if(v.size() && v.back() >= sz) v.pop_back();
			v.push_back(HONLY);
			continue;
		}
		if(s[i] == 'C') {
			if(v.size() && v.back() >= sz) v.pop_back();
			if(v.empty()) return false;
			if(v.back() != HONLY) return false;
			v.pop_back();
			v.push_back(HCONLY);
			continue;
		}
		assert(s[i] == '!');
		if(v.empty() || v.back() < 0) return false;
		v[v.size()-1]++;
		if(v.back() == sz && v.size() >= 2 && v[v.size()-2] >= 0) v.pop_back();
	}
	while(v.size() && v.back() >= sz) v.pop_back();
	return v.empty();
}

int HicCup(std::string S) {
	int lhs = -1;
	int rhs = S.size();
	while(lhs != rhs) {
		int mid = (lhs+rhs+1)/2;
		if(valid(S, mid)) lhs = mid;
		else rhs = mid-1;
	}
	return lhs;
}

Compilation message

hiccup.cpp: In function 'bool valid(std::__cxx11::string, int)':
hiccup.cpp:10:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < s.size(); i++) {
                 ~~^~~~~~~~~~

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	7 ms	512 KB	Output is correct
5	Correct	24 ms	4268 KB	Output is correct
6	Correct	15 ms	4268 KB	Output is correct
7	Correct	16 ms	4352 KB	Output is correct
8	Correct	25 ms	4352 KB	Output is correct
9	Correct	26 ms	4268 KB	Output is correct
10	Correct	15 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	6 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	7 ms	512 KB	Output is correct
5	Correct	24 ms	4268 KB	Output is correct
6	Correct	15 ms	4268 KB	Output is correct
7	Correct	16 ms	4352 KB	Output is correct
8	Correct	25 ms	4352 KB	Output is correct
9	Correct	26 ms	4268 KB	Output is correct
10	Correct	15 ms	4352 KB	Output is correct
11	Correct	20 ms	4352 KB	Output is correct
12	Correct	20 ms	4352 KB	Output is correct
13	Correct	24 ms	4140 KB	Output is correct
14	Correct	6 ms	512 KB	Output is correct
15	Correct	24 ms	4352 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	6 ms	384 KB	Output is correct
18	Correct	7 ms	640 KB	Output is correct
19	Correct	55 ms	4268 KB	Output is correct
20	Correct	35 ms	4140 KB	Output is correct
21	Correct	86 ms	4224 KB	Output is correct
22	Correct	81 ms	4164 KB	Output is correct
23	Correct	119 ms	4352 KB	Output is correct
24	Correct	31 ms	4268 KB	Output is correct
25	Correct	24 ms	4352 KB	Output is correct
26	Correct	29 ms	4352 KB	Output is correct
27	Correct	104 ms	4372 KB	Output is correct
28	Correct	117 ms	4224 KB	Output is correct
29	Correct	118 ms	4352 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	6 ms	384 KB	Output is correct
32	Correct	12 ms	640 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct