oj.uz

Submission #148899

# Submission time Handle Problem Language Result Execution time Memory
148899 2019-09-01T05:20:25 Z 20190901(#3597, tongnamuu, jf297, upple1) HicCup (FXCUP4_hiccup) C++17
24 / 100
 496 ms 20424 KB 
#include "hiccup.h"
#include <vector>

using namespace std;


bool Check(string str, int mid)
{
	vector<pair<char, int>> stk;

	int hCnt = 0;
	int cCnt = 0;
	for (int i = 0; i < str.size(); i++)
	{
		if (str[i] == 'H')
		{
			stk.push_back({ 'H', -1 });
			hCnt++;
		}
		else if (str[i] == 'C')
		{
			if (hCnt > cCnt)
				stk.push_back({ 'C', 0 });
			else
				return false;
			cCnt++;
		}
		else
		{
			if (stk.empty() || stk.back().first == 'H')
				continue;
			else
				stk.push_back({ '!', stk.back().second + 1 });
		}

		if (stk.back().second == mid)
		{
			for (int i = 0; i < mid + 2; i++)
			{
				if (stk.empty())
					return false;
				stk.pop_back();
			}
		}
	}

	for (int i = 0; i < stk.size(); i++)
	{
		if (stk[i].first != '!')
			return false;
	}
	return true;
}

int HicCup(string S)
{
	int lo = -1;
	int hi = (int)S.size();


	while (lo + 1 < hi)
	{
		int mid = (lo + hi) >> 1;
		if (Check(S, mid))
		{
			lo = mid;
		}
		else
		{
			hi = mid;
		}
	}

	return lo;
}

Compilation message

hiccup.cpp: In function 'bool Check(std::__cxx11::string, int)':
hiccup.cpp:13:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < str.size(); i++)
                  ~~^~~~~~~~~~~~
hiccup.cpp:47:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < stk.size(); i++)
                  ~~^~~~~~~~~~~~

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 128 KB Output is correct
3 Correct 5 ms 128 KB Output is correct
4 Correct 19 ms 1372 KB Output is correct
5 Correct 462 ms 20404 KB Output is correct
6 Correct 16 ms 4352 KB Output is correct
7 Correct 16 ms 4352 KB Output is correct
8 Correct 496 ms 20240 KB Output is correct
9 Correct 461 ms 20356 KB Output is correct
10 Correct 16 ms 4352 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 5 ms 384 KB Output is correct
2 Correct 5 ms 128 KB Output is correct
3 Correct 5 ms 128 KB Output is correct
4 Correct 19 ms 1372 KB Output is correct
5 Correct 462 ms 20404 KB Output is correct
6 Correct 16 ms 4352 KB Output is correct
7 Correct 16 ms 4352 KB Output is correct
8 Correct 496 ms 20240 KB Output is correct
9 Correct 461 ms 20356 KB Output is correct
10 Correct 16 ms 4352 KB Output is correct
11 Correct 100 ms 7980 KB Output is correct
12 Correct 162 ms 11328 KB Output is correct
13 Correct 35 ms 5788 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Incorrect 330 ms 20424 KB Output isn't correct
16 Halted 0 ms 0 KB -