Submission #151837

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
151837	2019-09-05T04:52:38 Z	tmwilliamlin168	HicCup (FXCUP4_hiccup)	C++17	100 / 100	28 ms	8188 KB

hiccup

#include "hiccup.h"
#include <bits/stdc++.h>
using namespace std;

int a[1000000], lb=0, rb=1000000, mb;

bool chk(string &s, int l, int r, int b=0) {
	if(l>r)
		return 1;
	for(; s[r]=='!'; --r, ++b);
	return b<mb?0:chk(s, a[r]+1, r-1)&&chk(s, l, a[r]-1, b-mb);
}

int HicCup(string s) {
	int n=s.size();
	if(s[0]=='!')
		return -1;
	for(int i=0; i+1<n; ++i)
		if(s[i]=='H'&&s[i+1]=='!')
			return -1;
	vector<int> t;
	for(int i=0; i<n; ++i) {
		if(s[i]=='C') {
			if(t.empty())
				return -1;
			a[i]=t.back();
			t.pop_back();
		} else if(s[i]=='H')
			t.push_back(i);
	}
	if(t.size())
		return -1;
	while(lb<rb) {
		mb=(lb+rb+1)/2;
		if(chk(s, 0, n-1))
			lb=mb;
		else
			rb=mb-1;
	}
	return lb;
}

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	28 ms	8180 KB	Output is correct
6	Correct	15 ms	4220 KB	Output is correct
7	Correct	15 ms	4216 KB	Output is correct
8	Correct	28 ms	8188 KB	Output is correct
9	Correct	28 ms	8184 KB	Output is correct
10	Correct	15 ms	4216 KB	Output is correct
11	Correct	2 ms	380 KB	Output is correct

Subtask #2

76.0 / 76.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	28 ms	8180 KB	Output is correct
6	Correct	15 ms	4220 KB	Output is correct
7	Correct	15 ms	4216 KB	Output is correct
8	Correct	28 ms	8188 KB	Output is correct
9	Correct	28 ms	8184 KB	Output is correct
10	Correct	15 ms	4216 KB	Output is correct
11	Correct	14 ms	4216 KB	Output is correct
12	Correct	11 ms	4216 KB	Output is correct
13	Correct	9 ms	4216 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	9 ms	4216 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	3 ms	632 KB	Output is correct
19	Correct	18 ms	8056 KB	Output is correct
20	Correct	19 ms	8184 KB	Output is correct
21	Correct	22 ms	6020 KB	Output is correct
22	Correct	18 ms	4088 KB	Output is correct
23	Correct	27 ms	4216 KB	Output is correct
24	Correct	18 ms	8184 KB	Output is correct
25	Correct	26 ms	8184 KB	Output is correct
26	Correct	21 ms	8184 KB	Output is correct
27	Correct	18 ms	6264 KB	Output is correct
28	Correct	20 ms	4600 KB	Output is correct
29	Correct	24 ms	4216 KB	Output is correct
30	Correct	2 ms	376 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	3 ms	632 KB	Output is correct
33	Correct	2 ms	380 KB	Output is correct