Submission #613140

# Submission time Handle Problem Language Result Execution time Memory
613140 2022-07-30T03:37:17 Z ajpiano HicCup (FXCUP4_hiccup) C++17
100 / 100
195 ms 3648 KB
#include <bits/stdc++.h>
#include "hiccup.h"

using namespace std;

#define f first
#define s second

int HicCup(std::string S) {
	int N = S.size();
	int hbef = 0;
	for(int i = 0; i < N; i++){
		if(S[i] == '!'){
			if(i == 0 || S[i-1] == 'H') return -1;
		}
		else if(S[i] == 'H') hbef++;
		else{
			hbef--;
			if(hbef < 0) return -1;
		}
	}
	if(hbef != 0) return -1;

	int l = 0, r = 1000000;

	while(r-l > 1){
		int mid = (l+r)>>1;
		vector<pair<int,bool>> stk; //! points. Complete
		bool good = 1;
		for(int i = 0; i < N; i++){
			if(S[i] == 'H'){
				stk.push_back({0,0});
			}else if(S[i] == 'C'){
				while(stk.back().s == 1){
					if(stk.back().f < mid) good = 0;
					stk.pop_back();
				}
				stk.back().s = 1;
			}else{
				if(stk.empty() || stk.back().s == 0) continue;
				else stk.back().f++;
				if(stk.back().f >= mid) stk.pop_back();
			}
		}

		for(auto &a: stk){
			if(a.f < mid) good = 0;
		}

		if(good) l = mid;
		else r = mid;
	}

	return l;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 10 ms 416 KB Output is correct
5 Correct 195 ms 3312 KB Output is correct
6 Correct 8 ms 3196 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 183 ms 3292 KB Output is correct
9 Correct 185 ms 3284 KB Output is correct
10 Correct 9 ms 3140 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 10 ms 416 KB Output is correct
5 Correct 195 ms 3312 KB Output is correct
6 Correct 8 ms 3196 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 183 ms 3292 KB Output is correct
9 Correct 185 ms 3284 KB Output is correct
10 Correct 9 ms 3140 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 3156 KB Output is correct
13 Correct 8 ms 3156 KB Output is correct
14 Correct 6 ms 3156 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 6 ms 3156 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 61 ms 3284 KB Output is correct
21 Correct 71 ms 3444 KB Output is correct
22 Correct 49 ms 3236 KB Output is correct
23 Correct 67 ms 3028 KB Output is correct
24 Correct 72 ms 3232 KB Output is correct
25 Correct 65 ms 3648 KB Output is correct
26 Correct 174 ms 3352 KB Output is correct
27 Correct 73 ms 3644 KB Output is correct
28 Correct 57 ms 3236 KB Output is correct
29 Correct 59 ms 3160 KB Output is correct
30 Correct 65 ms 3248 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 6 ms 468 KB Output is correct