Submission #150990

#	Time	Username	Problem	Language	Result	Execution time	Memory
150990		pichulia	HicCup (FXCUP4_hiccup)	C++17	100 / 100	52 ms	29788 KiB

hiccup

#include "hiccup.h"
#include<vector>
#include<algorithm>
using namespace std;
vector<int> v[1000009];
int HicCup(std::string a) {
	int n = a.size();
	int i, j, k;
	for (i = j=k=0; i < n; i++) {
		if (a[i] == 'H') {
			k++; j = 0;
		}
		else if (a[i] == 'C') { k--; j = 1; if (k < 0)return -1; }
		else {
			if (j == 0)return -1;
		}
	}
	if (k > 0) return -1;
	int l = 1;
	int r = n;
	std::string b = a;
	b.resize(n + 1);
	b[n] = 'X';

	int res = n;

	int st = 0;
	for (i = 0; i < n; i++) {
		//printf("%d %d\n", i, st);
		if(a[i] == 'H'){
			v[st].push_back(0);
			st++;
		}
		else if (a[i] == 'C')
		{
			if (v[st].size() > 0)
			{
				int sum = 0;
				int cnt = 0;
				for (j = v[st].size() - 1; j >= 0; j--)
				{
					sum += v[st][j];
					cnt++;
					res = min(res, sum / cnt);
				}
			}
			v[st].clear();

			st--;
		}
		else {
			v[st][v[st].size() - 1]++;
		}
	}
	if (v[st].size() > 0)
	{
		int sum = 0;
		int cnt = 0;
		for (j = v[st].size() - 1; j >= 0; j--)
		{
			sum += v[st][j];
			cnt++;
			res = min(res, sum / cnt);
		}
	}
	v[st].clear();

	return res;
}

Compilation message (stderr)

hiccup.cpp: In function 'int HicCup(std::__cxx11::string)':
hiccup.cpp:19:6: warning: unused variable 'l' [-Wunused-variable]
  int l = 1;
      ^
hiccup.cpp:20:6: warning: unused variable 'r' [-Wunused-variable]
  int r = n;
      ^

• Subtask 1: 24 / 24
• Subtask 2: 76 / 76