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Submission #149169

# Submission time Handle Problem Language Result Execution time Memory
149169 2019-09-01T05:52:45 Z 20190901(#3597, tongnamuu, jf297, upple1) HicCup (FXCUP4_hiccup) C++17
24 / 100
 433 ms 20416 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 128 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 19 ms 1436 KB Output is correct
5 Correct 433 ms 20404 KB Output is correct
6 Correct 18 ms 4352 KB Output is correct
7 Correct 16 ms 4140 KB Output is correct
8 Correct 430 ms 20404 KB Output is correct
9 Correct 426 ms 20416 KB Output is correct
10 Correct 17 ms 4352 KB Output is correct
11 Correct 6 ms 384 KB Output is correct

Subtask #2
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 19 ms 1436 KB Output is correct
5 Correct 433 ms 20404 KB Output is correct
6 Correct 18 ms 4352 KB Output is correct
7 Correct 16 ms 4140 KB Output is correct
8 Correct 430 ms 20404 KB Output is correct
9 Correct 426 ms 20416 KB Output is correct
10 Correct 17 ms 4352 KB Output is correct
11 Correct 93 ms 7976 KB Output is correct
12 Correct 148 ms 11296 KB Output is correct
13 Correct 36 ms 5916 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Incorrect 326 ms 20368 KB Output isn't correct
16 Halted 0 ms 0 KB -