Submission #148852

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
148852	2019-09-01T05:15:25 Z	shdut0901(#3758, shdut)	HicCup (FXCUP4_hiccup)	C++17	24 / 100	34 ms	15232 KB

hiccup

#include "hiccup.h"
#include <iostream>
#include <stdio.h>
#include <string>
#include <string.h>
#include <map>
#include <set>
#include <vector>
#include <queue>
#include <algorithm>
#include <assert.h>

using namespace std;

#define rep(i, a, b) for(int i = a; i < b; i++)
#define per(i, a, b) for(int i = b - 1; i >= a; i--)
#define ll long long
#define x first
#define y second
#define vi vector<int>
#define pii pair<int, int>
#define SZ(x) (int)(x.size())
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define inf 1000000007
#define DBG(x) cerr << (#x) << "=" << x << "\n";

#define N 100005

template<typename U, typename V> void Min(U &a, const V &b){if(a > b) a = b;}
template<typename U, typename V> void Max(U &a, const V &b){if(a < b) a = b;}
template<typename U, typename V> void add(U &a, const V &b){a = (a+b) % mod;}

int get(char c){
	if(c == 'H')return 0;
	else if(c == 'C')return 1;
	else return 2;
}
int HicCup(std::string s) {
	int n = s.size();
	vi from(n), vis(n, 0), q(n);
	int a[3] = {0};
	rep(i, 0, n){
		a[get(s[i])]++;
	}
	if(a[0] != a[1] || a[0] == 0)return -1;
	int m = 0, k, flag = 0;
	rep(i, 0, n){
		k = get(s[i]);
		if(k == 0)q[m++] = i, flag = 1;
		else if(k == 1){
			if(m == 0)return -1;
			from[i] = q[--m];
			if(flag){
				if(from[i] != i-1)return -1;
			}
			flag = 0;
		}
	}
	if(m)return -1;
	int r = a[2] / a[0];
	int l = 1, now = 0;
	while(l <= r){
		m = (l + r) >> 1;
		int rem = 0, ok = 1;
		now++;
		per(i, 0, n)if(vis[i] != now){
			k = get(s[i]);
			if(k == 2)rem++;
			else if(k == 1){
				if(rem < m){ok = 0;break;}
				k = from[i];
				vis[k] = now;
				rem -= m;
			}
		}
		if(ok)l = m + 1;
		else r = m - 1;
	}
	l--;
	return l;
}

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	472 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	6 ms	432 KB	Output is correct
4	Correct	7 ms	896 KB	Output is correct
5	Correct	34 ms	15128 KB	Output is correct
6	Correct	27 ms	15104 KB	Output is correct
7	Correct	26 ms	15104 KB	Output is correct
8	Correct	31 ms	15000 KB	Output is correct
9	Correct	34 ms	15124 KB	Output is correct
10	Correct	25 ms	15232 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	472 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	6 ms	432 KB	Output is correct
4	Correct	7 ms	896 KB	Output is correct
5	Correct	34 ms	15128 KB	Output is correct
6	Correct	27 ms	15104 KB	Output is correct
7	Correct	26 ms	15104 KB	Output is correct
8	Correct	31 ms	15000 KB	Output is correct
9	Correct	34 ms	15124 KB	Output is correct
10	Correct	25 ms	15232 KB	Output is correct
11	Correct	27 ms	15104 KB	Output is correct
12	Correct	29 ms	15104 KB	Output is correct
13	Correct	25 ms	15104 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Incorrect	31 ms	15104 KB	Output isn't correct
16	Halted	0 ms	0 KB	-