oj.uz

답안 #827269

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
827269 2023-08-16T10:24:30 Z denniskim JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 56 ms 16440 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef __int128 lll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cout << fixed; cout.precision(10);
#define sp << " "
#define en << "\n"
#define compress(v) sort(v.begin(), v.end()), v.erase(unique(v.begin(), v.end()), v.end())

ll n, K;
char a[200010];
ll l, r;
ll nu[200010][5];
ll idx[200010][5];

int main(void)
{
	fastio
	
	cin >> n >> K;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		cin >> a[i];
		
		for(ll j = 0 ; j <= 2 ; j++)
			nu[i][j] = nu[i - 1][j];
		
		if(a[i] == 'J')
			nu[i][0]++;
		else if(a[i] == 'O')
			nu[i][1]++;
		else
			nu[i][2]++;
	}
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = 0 ; j <= 2 ; j++)
		{
			ll l = i, r = n;
			
			while(l <= r)
			{
				ll mid = (l + r) / 2;
				
				if(nu[mid][j] - nu[i - 1][j] >= K)
					r = mid - 1;
				else
					l = mid + 1;
			}
			
			idx[i][j] = l;
		}
	}
	
	l = 0, r = n - K * 3;
	
	while(l <= r)
	{
		ll mid = (l + r) / 2;
		ll ff = 0;
		
		for(ll i = 0 ; i <= mid ; i++)
		{
			ll L = 1 + i;
			ll R = n - (mid - i);
			ll now = L, gg = 0;
			
			for(ll j = 0 ; j <= 2 ; j++)
			{
				if(now > R)
					gg = 1;
				
				now = idx[now][j];
				
				if(now > R)
					gg = 1;
				
				now++;
			}
			
			if(!gg)
				ff = 1;
		}
		
		if(ff)
			l = mid + 1;
		else
			r = mid - 1;
	}
	
	if(r == -1)
		cout << -1;
	else
		cout << n - K * 3 - r;
	
	return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 424 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 452 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 584 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 452 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct

Subtask #3
87.0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 424 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 452 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 584 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 452 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 35 ms 15180 KB Output is correct
37 Correct 39 ms 16348 KB Output is correct
38 Correct 38 ms 16240 KB Output is correct
39 Correct 51 ms 16132 KB Output is correct
40 Correct 39 ms 16300 KB Output is correct
41 Correct 48 ms 16348 KB Output is correct
42 Correct 56 ms 16344 KB Output is correct
43 Correct 23 ms 10260 KB Output is correct
44 Correct 27 ms 12756 KB Output is correct
45 Correct 34 ms 16332 KB Output is correct
46 Correct 35 ms 16260 KB Output is correct
47 Correct 34 ms 16280 KB Output is correct
48 Correct 34 ms 16260 KB Output is correct
49 Correct 24 ms 10964 KB Output is correct
50 Correct 34 ms 16340 KB Output is correct
51 Correct 34 ms 16296 KB Output is correct
52 Correct 22 ms 15696 KB Output is correct
53 Correct 24 ms 16284 KB Output is correct
54 Correct 36 ms 16344 KB Output is correct
55 Correct 31 ms 16440 KB Output is correct
56 Correct 20 ms 16340 KB Output is correct