oj.uz

Submission #149196

# Submission time Handle Problem Language Result Execution time Memory
149196 2019-09-01T05:56:36 Z TeamSUA(#3565, zimpha, sfiction, JTJL) HicCup (FXCUP4_hiccup) C++17
24 / 100
 27 ms 3328 KB 
#include "hiccup.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
#define __h 0
#define __hc 1
#define __t 2

int HicCup(std::string s) {
	int n = s.size();
	int p = 0, q = 0;
	for (int i = 0; i < n; i++) {
		if (i && s[i - 1] == 'H' && s[i] == '!')
			return -1;
		if (s[i] == 'H') p++;
		if (s[i] == 'C') q++;
	}
	int r = n - p - q;
	if (p != q) return -1;
	if (p == 0) return -1;
	int R = r / p + 1;
	int L = 0;
	if (R == 1) {
		int u = 0;
		for (int i = 0; i < n; i++) {
			if (s[i] == 'H') u++;
			else if (s[i] == 'C'){
				if (u > 0) u--;
				else return -1;
			}
		}
		return 0;
	}
	// [L, R)
	while (L + 1 < R) {
		int M = (L + R) / 2;
		int flag = 1;
		vector<PII> f;
		// cout << "==========================  " << M << endl;
		for (int i = 0; i < n; i++) {
			// cout << i << ' ' << s[i] << endl;
			if (s[i] == 'H') f.push_back(PII(__h, 1));
			else if (s[i] == 'C') {
				while (f.size() && f.back().first == __t) f.pop_back();
				if (!f.size() || f.back().first == __hc) {
					flag = 0;
					goto KKE;
				}
				f.pop_back();
				f.push_back(PII(__hc, 1));
			}
			else if (s[i] == '!') {
				if (f.back().first == __t) f.back().second++;
				else f.push_back(PII(__t, 1));
				if (f.back().second >= M) {
					f.pop_back();
					if (f.size()) {
						if (f.back().first != __hc) {
						}
						else {
							f.pop_back();
						}
					}
				}
			}
			// cout << i << ' ' << flag << ' ' << f.size();
			// for (auto &x : f)
			// 	cout << " " << x.first << ',' << x.second; cout << endl;
		}
		// cout << "???" << endl;
		while (f.size() && f.back().first == __t) f.pop_back();
		// cout << flag << ' ' << f.size() << endl;
		if (f.size()) flag = 0;
    KKE:
		// cout << "flag : " << flag << endl;
		if (flag) L = M;
		else R = M;
	}
	return L;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 6 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 27 ms 3328 KB Output is correct
6 Correct 20 ms 3328 KB Output is correct
7 Correct 20 ms 3328 KB Output is correct
8 Correct 24 ms 3328 KB Output is correct
9 Correct 27 ms 3328 KB Output is correct
10 Correct 18 ms 3328 KB Output is correct
11 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 6 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 27 ms 3328 KB Output is correct
6 Correct 20 ms 3328 KB Output is correct
7 Correct 20 ms 3328 KB Output is correct
8 Correct 24 ms 3328 KB Output is correct
9 Correct 27 ms 3328 KB Output is correct
10 Correct 18 ms 3328 KB Output is correct
11 Correct 18 ms 3328 KB Output is correct
12 Correct 15 ms 3328 KB Output is correct
13 Correct 14 ms 3328 KB Output is correct
14 Incorrect 9 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -