답안 #70013 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
70013	2018-08-22T09:05:32 Z	yogahmad	Asceticism (JOI18_asceticism)	C++14	49 / 100	145 ms	142136 KB

asceticism

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define fbo find_by_order
#define ook order_of_key
#define f first
#define s second
#define pb push_back
#define reset(a,b) memset(a,b,sizeof a);
#define MOD 1000000007
#define MID (l+r)/2
#define ALL(x) x.begin(),x.end()
#define debug(x) cout<<#x<<" = "<<(x)<<endl
#define mx 3003
#define pc(x) putchar_unlocked(x);
typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> pbds;

long long dep[mx][mx],n,k;

long long dp(int n,int k){
	if(k>=n)return 0;
	if(k==0 || k==n-1)return 1;
	long long&ret=dep[n][k];
	if(ret!=-1)return ret;
	ret=0;
	ret=1LL*(n-k)*dp(n-1,k-1)%MOD+1LL*(k+1)*dp(n-1,k)%MOD;
	ret%=MOD;
	//cout<<n<<' '<<k<<' '<<ret<<endl;
	return ret;
}

int main(){
	reset(dep,-1);
	cin>>n>>k;
	cout<<dp(n,k-1)<<endl;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	70904 KB	Output is correct
2	Correct	56 ms	71024 KB	Output is correct
3	Correct	56 ms	71024 KB	Output is correct
4	Correct	54 ms	71024 KB	Output is correct
5	Correct	55 ms	71024 KB	Output is correct
6	Correct	56 ms	71068 KB	Output is correct
7	Correct	56 ms	71068 KB	Output is correct
8	Correct	57 ms	71212 KB	Output is correct
9	Correct	58 ms	71212 KB	Output is correct
10	Correct	58 ms	71296 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	70904 KB	Output is correct
2	Correct	56 ms	71024 KB	Output is correct
3	Correct	56 ms	71024 KB	Output is correct
4	Correct	54 ms	71024 KB	Output is correct
5	Correct	55 ms	71024 KB	Output is correct
6	Correct	56 ms	71068 KB	Output is correct
7	Correct	56 ms	71068 KB	Output is correct
8	Correct	57 ms	71212 KB	Output is correct
9	Correct	58 ms	71212 KB	Output is correct
10	Correct	58 ms	71296 KB	Output is correct
11	Correct	64 ms	71296 KB	Output is correct
12	Correct	67 ms	71296 KB	Output is correct
13	Correct	59 ms	71296 KB	Output is correct
14	Correct	65 ms	71296 KB	Output is correct
15	Correct	57 ms	71296 KB	Output is correct
16	Correct	56 ms	71304 KB	Output is correct
17	Correct	61 ms	71316 KB	Output is correct
18	Correct	56 ms	71316 KB	Output is correct
19	Correct	57 ms	71316 KB	Output is correct
20	Correct	58 ms	71384 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	70904 KB	Output is correct
2	Correct	56 ms	71024 KB	Output is correct
3	Correct	56 ms	71024 KB	Output is correct
4	Correct	54 ms	71024 KB	Output is correct
5	Correct	55 ms	71024 KB	Output is correct
6	Correct	56 ms	71068 KB	Output is correct
7	Correct	56 ms	71068 KB	Output is correct
8	Correct	57 ms	71212 KB	Output is correct
9	Correct	58 ms	71212 KB	Output is correct
10	Correct	58 ms	71296 KB	Output is correct
11	Correct	64 ms	71296 KB	Output is correct
12	Correct	67 ms	71296 KB	Output is correct
13	Correct	59 ms	71296 KB	Output is correct
14	Correct	65 ms	71296 KB	Output is correct
15	Correct	57 ms	71296 KB	Output is correct
16	Correct	56 ms	71304 KB	Output is correct
17	Correct	61 ms	71316 KB	Output is correct
18	Correct	56 ms	71316 KB	Output is correct
19	Correct	57 ms	71316 KB	Output is correct
20	Correct	58 ms	71384 KB	Output is correct
21	Correct	58 ms	71384 KB	Output is correct
22	Correct	59 ms	71440 KB	Output is correct
23	Correct	62 ms	71440 KB	Output is correct
24	Correct	73 ms	71440 KB	Output is correct
25	Correct	59 ms	71440 KB	Output is correct
26	Correct	56 ms	71492 KB	Output is correct
27	Correct	55 ms	71492 KB	Output is correct
28	Correct	56 ms	71492 KB	Output is correct
29	Correct	55 ms	71492 KB	Output is correct
30	Correct	63 ms	71492 KB	Output is correct

Subtask #4
0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	70904 KB	Output is correct
2	Correct	56 ms	71024 KB	Output is correct
3	Correct	56 ms	71024 KB	Output is correct
4	Correct	54 ms	71024 KB	Output is correct
5	Correct	55 ms	71024 KB	Output is correct
6	Correct	56 ms	71068 KB	Output is correct
7	Correct	56 ms	71068 KB	Output is correct
8	Correct	57 ms	71212 KB	Output is correct
9	Correct	58 ms	71212 KB	Output is correct
10	Correct	58 ms	71296 KB	Output is correct
11	Correct	64 ms	71296 KB	Output is correct
12	Correct	67 ms	71296 KB	Output is correct
13	Correct	59 ms	71296 KB	Output is correct
14	Correct	65 ms	71296 KB	Output is correct
15	Correct	57 ms	71296 KB	Output is correct
16	Correct	56 ms	71304 KB	Output is correct
17	Correct	61 ms	71316 KB	Output is correct
18	Correct	56 ms	71316 KB	Output is correct
19	Correct	57 ms	71316 KB	Output is correct
20	Correct	58 ms	71384 KB	Output is correct
21	Correct	58 ms	71384 KB	Output is correct
22	Correct	59 ms	71440 KB	Output is correct
23	Correct	62 ms	71440 KB	Output is correct
24	Correct	73 ms	71440 KB	Output is correct
25	Correct	59 ms	71440 KB	Output is correct
26	Correct	56 ms	71492 KB	Output is correct
27	Correct	55 ms	71492 KB	Output is correct
28	Correct	56 ms	71492 KB	Output is correct
29	Correct	55 ms	71492 KB	Output is correct
30	Correct	63 ms	71492 KB	Output is correct
31	Correct	53 ms	71492 KB	Output is correct
32	Runtime error	145 ms	142136 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
33	Halted	0 ms	0 KB	-

답안 #70013

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 20.0 / 20.0

Subtask #3 25.0 / 25.0

Subtask #4 0 / 51.0

Subtask #1
4.0 / 4.0

Subtask #2
20.0 / 20.0

Subtask #3
25.0 / 25.0

Subtask #4
0 / 51.0