답안 #553470

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
553470	2022-04-26T00:43:59 Z	MohamedAhmed04	Asceticism (JOI18_asceticism)	C++14	49 / 100	42 ms	25016 KB

asceticism

#include <bits/stdc++.h>

using namespace std ;

const int mod = 1e9 + 7 ;

int Add(int x , int y)
{
	int z = x + y ;
	if(z >= mod)
		z -= mod ;
	return z ;
}

int Sub(int x , int y)
{
	int z = x - y ;
	if(z < 0)
		z += mod ;
	return z ;
}

int Mul(int x , int y)
{
	return (x * 1ll * y) % mod ;
}

int powlog(int base , int power)
{
	if(power == 0)
		return 1 ;
	int x = powlog(base , power / 2) ;
	x = Mul(x , x) ;
	if(power & 1)
		x = Mul(x , base) ;
	return x ;
}

int modinv(int x)
{
	return powlog(x , mod-2) ;
}

int Div(int x , int y)
{
	return Mul(x , modinv(y)) ;
}

const int MAX = 3000 + 10 ;

int arr[MAX] ;
int n , k ;

int dp[MAX][MAX] ;

int main()
{
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>n>>k ;
	dp[0][0] = 1 ;
	for(int i = 1 ; i <= n ; ++i)
	{
		for(int j = 1 ; j <= k ; ++j)
			dp[i][j] = Add(Mul(dp[i-1][j-1] , i-j+1) , Mul(dp[i-1][j] , j)) ;
	}
	return cout<<dp[n][k]<<"\n" , 0 ;
}		

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	2 ms	1620 KB	Output is correct
15	Correct	2 ms	1748 KB	Output is correct
16	Correct	1 ms	1876 KB	Output is correct
17	Correct	1 ms	1108 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	832 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	2 ms	1620 KB	Output is correct
15	Correct	2 ms	1748 KB	Output is correct
16	Correct	1 ms	1876 KB	Output is correct
17	Correct	1 ms	1108 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	832 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	2 ms	4308 KB	Output is correct
22	Correct	2 ms	4296 KB	Output is correct
23	Correct	4 ms	6100 KB	Output is correct
24	Correct	5 ms	6228 KB	Output is correct
25	Correct	8 ms	8020 KB	Output is correct
26	Correct	10 ms	8148 KB	Output is correct
27	Correct	8 ms	8276 KB	Output is correct
28	Correct	3 ms	3924 KB	Output is correct
29	Correct	1 ms	1108 KB	Output is correct
30	Correct	10 ms	8020 KB	Output is correct

Subtask #4

0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	2 ms	1620 KB	Output is correct
15	Correct	2 ms	1748 KB	Output is correct
16	Correct	1 ms	1876 KB	Output is correct
17	Correct	1 ms	1108 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	832 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	2 ms	4308 KB	Output is correct
22	Correct	2 ms	4296 KB	Output is correct
23	Correct	4 ms	6100 KB	Output is correct
24	Correct	5 ms	6228 KB	Output is correct
25	Correct	8 ms	8020 KB	Output is correct
26	Correct	10 ms	8148 KB	Output is correct
27	Correct	8 ms	8276 KB	Output is correct
28	Correct	3 ms	3924 KB	Output is correct
29	Correct	1 ms	1108 KB	Output is correct
30	Correct	10 ms	8020 KB	Output is correct
31	Runtime error	42 ms	25016 KB	Execution killed with signal 11
32	Halted	0 ms	0 KB	-