답안 #20372

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
20372 2017-02-07T09:47:40 Z 복불복 (OJUZ11_luck) C++
13 / 100
259 ms 1584 KB
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long ll;
#define MOD (ll)(1e9+7)

int N,K;
const int MAX_N = 110;

int a[MAX_N],b[MAX_N],c[MAX_N][MAX_N];
int s[MAX_N],e[MAX_N];

ll dp[1<<16];
ll f(int x,int bit){
	if(x>N)return 1;
	ll& ret = dp[bit];
	if(~ret)return ret;
	ret=0;
	for(int i=s[x];i<=e[x];i++){
		if(bit>>i&1)continue;
		ret+=f(x+1,bit|(1<<i));
	}
	return ret;
}

int main(){

	scanf("%d%d",&N,&K);

	for(int i=1;i<=N;i++){
		scanf("%d",&a[i]);
	}
	sort(a+1,a+N+1);
	reverse(a+1,a+N+1);

	for(int j=1;j<=N;j++){
		scanf("%d",&b[j]);
	}
	sort(b+1,b+N+1);
	reverse(b+1,b+N+1);

	for(int i=1;i<=N;i++){
		for(int j=1;j<=N;j++){
			c[i][j]=a[i]+b[j];
		}
	}

	ll ans=0;
	if(K==1){
		for(int i=1;i<=N;i++){
			int p=i;
			ll sum=1;
			for(int j=2,k=p;j<=N;j++){
				while(k>0&&c[j][k]<=c[1][i])k--;
				p=k;
				sum*=(N-p-j+1);
				sum%=MOD;
			}
			ans+=sum;
			ans%=MOD;
		}
		printf("%lld\n",ans);
	}else{
		for(int i=1;i<=K;i++){
			for(int j=1;j<=N;j++){
				for(int k=1;k<=K;k++){
					if(k==i){
						s[k]=e[k]=j;
						continue;
					}
					int p=N;
					while(p>0&&c[k][p]<c[i][j])p--;
					s[k]=1,e[k]=p;
				}
				for(int k=K+1;k<=N;k++){
					int p=N;
					while(p>0&&c[k][p]<=c[i][j])p--;
					s[k]=p+1,e[k]=N;
				}

				memset(dp,-1,sizeof(dp));
				ans+=f(1,0);
			}
		}
		printf("%lld\n",ans);
	}

	return 0;
}

Compilation message

luck.cpp: In function 'int main()':
luck.cpp:29:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&N,&K);
                     ^
luck.cpp:32:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^
luck.cpp:38:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&b[j]);
                    ^
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 632 KB Output is correct
2 Incorrect 3 ms 780 KB Output isn't correct
3 Correct 3 ms 780 KB Output is correct
4 Incorrect 4 ms 780 KB Output isn't correct
5 Correct 4 ms 780 KB Output is correct
6 Correct 4 ms 780 KB Output is correct
7 Correct 1 ms 780 KB Output is correct
8 Correct 2 ms 780 KB Output is correct
9 Correct 3 ms 780 KB Output is correct
10 Incorrect 4 ms 780 KB Output isn't correct
11 Incorrect 3 ms 780 KB Output isn't correct
12 Correct 1 ms 780 KB Output is correct
13 Correct 1 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 3 ms 780 KB Output is correct
18 Correct 3 ms 780 KB Output is correct
19 Correct 3 ms 840 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 3 ms 840 KB Output is correct
22 Correct 1 ms 840 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 840 KB Output is correct
2 Correct 2 ms 840 KB Output is correct
3 Correct 2 ms 840 KB Output is correct
4 Correct 2 ms 840 KB Output is correct
5 Correct 2 ms 840 KB Output is correct
6 Correct 2 ms 840 KB Output is correct
7 Correct 2 ms 840 KB Output is correct
8 Correct 2 ms 840 KB Output is correct
9 Correct 2 ms 840 KB Output is correct
10 Correct 1 ms 840 KB Output is correct
11 Correct 1 ms 840 KB Output is correct
12 Correct 1 ms 840 KB Output is correct
13 Correct 1 ms 840 KB Output is correct
14 Correct 2 ms 840 KB Output is correct
15 Correct 2 ms 840 KB Output is correct
16 Correct 1 ms 840 KB Output is correct
17 Correct 2 ms 840 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 632 KB Output is correct
2 Incorrect 3 ms 780 KB Output isn't correct
3 Correct 3 ms 780 KB Output is correct
4 Incorrect 4 ms 780 KB Output isn't correct
5 Correct 4 ms 780 KB Output is correct
6 Correct 4 ms 780 KB Output is correct
7 Correct 1 ms 780 KB Output is correct
8 Correct 2 ms 780 KB Output is correct
9 Correct 3 ms 780 KB Output is correct
10 Incorrect 4 ms 780 KB Output isn't correct
11 Incorrect 3 ms 780 KB Output isn't correct
12 Correct 1 ms 780 KB Output is correct
13 Correct 1 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 3 ms 780 KB Output is correct
18 Correct 3 ms 780 KB Output is correct
19 Correct 3 ms 840 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 3 ms 840 KB Output is correct
22 Correct 1 ms 840 KB Output is correct
23 Incorrect 24 ms 840 KB Output isn't correct
24 Incorrect 34 ms 840 KB Output isn't correct
25 Incorrect 48 ms 840 KB Output isn't correct
26 Incorrect 14 ms 840 KB Output isn't correct
27 Incorrect 66 ms 840 KB Output isn't correct
28 Incorrect 92 ms 840 KB Output isn't correct
29 Incorrect 59 ms 840 KB Output isn't correct
30 Incorrect 223 ms 856 KB Output isn't correct
31 Incorrect 83 ms 856 KB Output isn't correct
32 Incorrect 11 ms 856 KB Output isn't correct
33 Incorrect 99 ms 856 KB Output isn't correct
34 Incorrect 259 ms 856 KB Output isn't correct
35 Incorrect 72 ms 856 KB Output isn't correct
36 Incorrect 15 ms 856 KB Output isn't correct
37 Incorrect 23 ms 856 KB Output isn't correct
38 Incorrect 18 ms 856 KB Output isn't correct
39 Correct 1 ms 856 KB Output is correct
40 Correct 2 ms 856 KB Output is correct
41 Correct 9 ms 856 KB Output is correct
42 Correct 3 ms 856 KB Output is correct
43 Incorrect 7 ms 856 KB Output isn't correct
44 Incorrect 13 ms 856 KB Output isn't correct
45 Correct 1 ms 856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 632 KB Output is correct
2 Incorrect 3 ms 780 KB Output isn't correct
3 Correct 3 ms 780 KB Output is correct
4 Incorrect 4 ms 780 KB Output isn't correct
5 Correct 4 ms 780 KB Output is correct
6 Correct 4 ms 780 KB Output is correct
7 Correct 1 ms 780 KB Output is correct
8 Correct 2 ms 780 KB Output is correct
9 Correct 3 ms 780 KB Output is correct
10 Incorrect 4 ms 780 KB Output isn't correct
11 Incorrect 3 ms 780 KB Output isn't correct
12 Correct 1 ms 780 KB Output is correct
13 Correct 1 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 3 ms 780 KB Output is correct
18 Correct 3 ms 780 KB Output is correct
19 Correct 3 ms 840 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 3 ms 840 KB Output is correct
22 Correct 1 ms 840 KB Output is correct
23 Correct 2 ms 840 KB Output is correct
24 Correct 2 ms 840 KB Output is correct
25 Correct 2 ms 840 KB Output is correct
26 Correct 2 ms 840 KB Output is correct
27 Correct 2 ms 840 KB Output is correct
28 Correct 2 ms 840 KB Output is correct
29 Correct 2 ms 840 KB Output is correct
30 Correct 2 ms 840 KB Output is correct
31 Correct 2 ms 840 KB Output is correct
32 Correct 1 ms 840 KB Output is correct
33 Correct 1 ms 840 KB Output is correct
34 Correct 1 ms 840 KB Output is correct
35 Correct 1 ms 840 KB Output is correct
36 Correct 2 ms 840 KB Output is correct
37 Correct 2 ms 840 KB Output is correct
38 Correct 1 ms 840 KB Output is correct
39 Correct 2 ms 840 KB Output is correct
40 Incorrect 24 ms 840 KB Output isn't correct
41 Incorrect 34 ms 840 KB Output isn't correct
42 Incorrect 48 ms 840 KB Output isn't correct
43 Incorrect 14 ms 840 KB Output isn't correct
44 Incorrect 66 ms 840 KB Output isn't correct
45 Incorrect 92 ms 840 KB Output isn't correct
46 Incorrect 59 ms 840 KB Output isn't correct
47 Incorrect 223 ms 856 KB Output isn't correct
48 Incorrect 83 ms 856 KB Output isn't correct
49 Incorrect 11 ms 856 KB Output isn't correct
50 Incorrect 99 ms 856 KB Output isn't correct
51 Incorrect 259 ms 856 KB Output isn't correct
52 Incorrect 72 ms 856 KB Output isn't correct
53 Incorrect 15 ms 856 KB Output isn't correct
54 Incorrect 23 ms 856 KB Output isn't correct
55 Incorrect 18 ms 856 KB Output isn't correct
56 Correct 1 ms 856 KB Output is correct
57 Correct 2 ms 856 KB Output is correct
58 Correct 9 ms 856 KB Output is correct
59 Correct 3 ms 856 KB Output is correct
60 Incorrect 7 ms 856 KB Output isn't correct
61 Incorrect 13 ms 856 KB Output isn't correct
62 Correct 1 ms 856 KB Output is correct
63 Runtime error 3 ms 1436 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Runtime error 3 ms 1552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
66 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
67 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
68 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
69 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
70 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
71 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
72 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
73 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
74 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
75 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
77 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
78 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
79 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
80 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
81 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
82 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 632 KB Output is correct
2 Incorrect 3 ms 780 KB Output isn't correct
3 Correct 3 ms 780 KB Output is correct
4 Incorrect 4 ms 780 KB Output isn't correct
5 Correct 4 ms 780 KB Output is correct
6 Correct 4 ms 780 KB Output is correct
7 Correct 1 ms 780 KB Output is correct
8 Correct 2 ms 780 KB Output is correct
9 Correct 3 ms 780 KB Output is correct
10 Incorrect 4 ms 780 KB Output isn't correct
11 Incorrect 3 ms 780 KB Output isn't correct
12 Correct 1 ms 780 KB Output is correct
13 Correct 1 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 3 ms 780 KB Output is correct
18 Correct 3 ms 780 KB Output is correct
19 Correct 3 ms 840 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 3 ms 840 KB Output is correct
22 Correct 1 ms 840 KB Output is correct
23 Correct 2 ms 840 KB Output is correct
24 Correct 2 ms 840 KB Output is correct
25 Correct 2 ms 840 KB Output is correct
26 Correct 2 ms 840 KB Output is correct
27 Correct 2 ms 840 KB Output is correct
28 Correct 2 ms 840 KB Output is correct
29 Correct 2 ms 840 KB Output is correct
30 Correct 2 ms 840 KB Output is correct
31 Correct 2 ms 840 KB Output is correct
32 Correct 1 ms 840 KB Output is correct
33 Correct 1 ms 840 KB Output is correct
34 Correct 1 ms 840 KB Output is correct
35 Correct 1 ms 840 KB Output is correct
36 Correct 2 ms 840 KB Output is correct
37 Correct 2 ms 840 KB Output is correct
38 Correct 1 ms 840 KB Output is correct
39 Correct 2 ms 840 KB Output is correct
40 Incorrect 24 ms 840 KB Output isn't correct
41 Incorrect 34 ms 840 KB Output isn't correct
42 Incorrect 48 ms 840 KB Output isn't correct
43 Incorrect 14 ms 840 KB Output isn't correct
44 Incorrect 66 ms 840 KB Output isn't correct
45 Incorrect 92 ms 840 KB Output isn't correct
46 Incorrect 59 ms 840 KB Output isn't correct
47 Incorrect 223 ms 856 KB Output isn't correct
48 Incorrect 83 ms 856 KB Output isn't correct
49 Incorrect 11 ms 856 KB Output isn't correct
50 Incorrect 99 ms 856 KB Output isn't correct
51 Incorrect 259 ms 856 KB Output isn't correct
52 Incorrect 72 ms 856 KB Output isn't correct
53 Incorrect 15 ms 856 KB Output isn't correct
54 Incorrect 23 ms 856 KB Output isn't correct
55 Incorrect 18 ms 856 KB Output isn't correct
56 Correct 1 ms 856 KB Output is correct
57 Correct 2 ms 856 KB Output is correct
58 Correct 9 ms 856 KB Output is correct
59 Correct 3 ms 856 KB Output is correct
60 Incorrect 7 ms 856 KB Output isn't correct
61 Incorrect 13 ms 856 KB Output isn't correct
62 Correct 1 ms 856 KB Output is correct
63 Runtime error 3 ms 1436 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Runtime error 3 ms 1552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
66 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
67 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
68 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
69 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
70 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
71 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
72 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
73 Runtime error 4 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
74 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
75 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
77 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
78 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
79 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
80 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
81 Runtime error 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
82 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
83 Runtime error 5 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
84 Runtime error 6 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
85 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
86 Runtime error 5 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
87 Runtime error 3 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
88 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
89 Runtime error 6 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
90 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
91 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
92 Runtime error 3 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
93 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
94 Runtime error 5 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
95 Runtime error 5 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
96 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
97 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
98 Runtime error 5 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
99 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
100 Runtime error 3 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
101 Runtime error 6 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
102 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
103 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
104 Runtime error 3 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
105 Runtime error 6 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
106 Runtime error 4 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
107 Runtime error 6 ms 1584 KB Execution killed with signal 11 (could be triggered by violating memory limits)