oj.uz

Submission #20376

# Submission time Handle Problem Language Result Execution time Memory
20376 2017-02-07T09:56:29 Z 복불복 (OJUZ11_luck) C++
22 / 100
 240 ms 1588 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++){
			ll sum=1;
			for(int j=2,p=i;j<=N;j++){
				while(p>0&&c[j][p]<=c[1][i])p--;
				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;
					if(k>i)while(p>0&&c[k][p]<=c[i][j])p--;
					else 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]);
                    ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 700 KB Output is correct
2 Correct 3 ms 824 KB Output is correct
3 Correct 3 ms 884 KB Output is correct
4 Correct 3 ms 884 KB Output is correct
5 Correct 4 ms 884 KB Output is correct
6 Correct 4 ms 884 KB Output is correct
7 Correct 2 ms 884 KB Output is correct
8 Correct 3 ms 884 KB Output is correct
9 Correct 3 ms 884 KB Output is correct
10 Correct 3 ms 884 KB Output is correct
11 Correct 3 ms 884 KB Output is correct
12 Correct 1 ms 884 KB Output is correct
13 Correct 2 ms 884 KB Output is correct
14 Correct 2 ms 884 KB Output is correct
15 Correct 3 ms 884 KB Output is correct
16 Correct 2 ms 884 KB Output is correct
17 Correct 3 ms 884 KB Output is correct
18 Correct 3 ms 884 KB Output is correct
19 Correct 2 ms 884 KB Output is correct
20 Correct 2 ms 884 KB Output is correct
21 Correct 4 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 884 KB Output is correct
2 Correct 2 ms 884 KB Output is correct
3 Correct 2 ms 884 KB Output is correct
4 Correct 2 ms 884 KB Output is correct
5 Correct 2 ms 884 KB Output is correct
6 Correct 2 ms 884 KB Output is correct
7 Correct 2 ms 884 KB Output is correct
8 Correct 1 ms 884 KB Output is correct
9 Correct 2 ms 884 KB Output is correct
10 Correct 1 ms 884 KB Output is correct
11 Correct 2 ms 884 KB Output is correct
12 Correct 1 ms 884 KB Output is correct
13 Correct 2 ms 884 KB Output is correct
14 Correct 2 ms 884 KB Output is correct
15 Correct 3 ms 884 KB Output is correct
16 Correct 2 ms 884 KB Output is correct
17 Correct 2 ms 884 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 700 KB Output is correct
2 Correct 3 ms 824 KB Output is correct
3 Correct 3 ms 884 KB Output is correct
4 Correct 3 ms 884 KB Output is correct
5 Correct 4 ms 884 KB Output is correct
6 Correct 4 ms 884 KB Output is correct
7 Correct 2 ms 884 KB Output is correct
8 Correct 3 ms 884 KB Output is correct
9 Correct 3 ms 884 KB Output is correct
10 Correct 3 ms 884 KB Output is correct
11 Correct 3 ms 884 KB Output is correct
12 Correct 1 ms 884 KB Output is correct
13 Correct 2 ms 884 KB Output is correct
14 Correct 2 ms 884 KB Output is correct
15 Correct 3 ms 884 KB Output is correct
16 Correct 2 ms 884 KB Output is correct
17 Correct 3 ms 884 KB Output is correct
18 Correct 3 ms 884 KB Output is correct
19 Correct 2 ms 884 KB Output is correct
20 Correct 2 ms 884 KB Output is correct
21 Correct 4 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct
23 Incorrect 24 ms 884 KB Output isn't correct
24 Incorrect 33 ms 884 KB Output isn't correct
25 Incorrect 49 ms 884 KB Output isn't correct
26 Correct 14 ms 884 KB Output is correct
27 Incorrect 61 ms 884 KB Output isn't correct
28 Incorrect 83 ms 884 KB Output isn't correct
29 Incorrect 54 ms 884 KB Output isn't correct
30 Incorrect 203 ms 884 KB Output isn't correct
31 Incorrect 70 ms 884 KB Output isn't correct
32 Incorrect 9 ms 884 KB Output isn't correct
33 Incorrect 82 ms 884 KB Output isn't correct
34 Incorrect 240 ms 884 KB Output isn't correct
35 Incorrect 75 ms 884 KB Output isn't correct
36 Incorrect 13 ms 884 KB Output isn't correct
37 Correct 25 ms 884 KB Output is correct
38 Incorrect 15 ms 884 KB Output isn't correct
39 Correct 2 ms 884 KB Output is correct
40 Correct 2 ms 884 KB Output is correct
41 Correct 11 ms 884 KB Output is correct
42 Correct 3 ms 884 KB Output is correct
43 Correct 6 ms 884 KB Output is correct
44 Incorrect 12 ms 884 KB Output isn't correct
45 Correct 1 ms 884 KB Output is correct

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 700 KB Output is correct
2 Correct 3 ms 824 KB Output is correct
3 Correct 3 ms 884 KB Output is correct
4 Correct 3 ms 884 KB Output is correct
5 Correct 4 ms 884 KB Output is correct
6 Correct 4 ms 884 KB Output is correct
7 Correct 2 ms 884 KB Output is correct
8 Correct 3 ms 884 KB Output is correct
9 Correct 3 ms 884 KB Output is correct
10 Correct 3 ms 884 KB Output is correct
11 Correct 3 ms 884 KB Output is correct
12 Correct 1 ms 884 KB Output is correct
13 Correct 2 ms 884 KB Output is correct
14 Correct 2 ms 884 KB Output is correct
15 Correct 3 ms 884 KB Output is correct
16 Correct 2 ms 884 KB Output is correct
17 Correct 3 ms 884 KB Output is correct
18 Correct 3 ms 884 KB Output is correct
19 Correct 2 ms 884 KB Output is correct
20 Correct 2 ms 884 KB Output is correct
21 Correct 4 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct
23 Correct 2 ms 884 KB Output is correct
24 Correct 2 ms 884 KB Output is correct
25 Correct 2 ms 884 KB Output is correct
26 Correct 2 ms 884 KB Output is correct
27 Correct 2 ms 884 KB Output is correct
28 Correct 2 ms 884 KB Output is correct
29 Correct 2 ms 884 KB Output is correct
30 Correct 1 ms 884 KB Output is correct
31 Correct 2 ms 884 KB Output is correct
32 Correct 1 ms 884 KB Output is correct
33 Correct 2 ms 884 KB Output is correct
34 Correct 1 ms 884 KB Output is correct
35 Correct 2 ms 884 KB Output is correct
36 Correct 2 ms 884 KB Output is correct
37 Correct 3 ms 884 KB Output is correct
38 Correct 2 ms 884 KB Output is correct
39 Correct 2 ms 884 KB Output is correct
40 Incorrect 24 ms 884 KB Output isn't correct
41 Incorrect 33 ms 884 KB Output isn't correct
42 Incorrect 49 ms 884 KB Output isn't correct
43 Correct 14 ms 884 KB Output is correct
44 Incorrect 61 ms 884 KB Output isn't correct
45 Incorrect 83 ms 884 KB Output isn't correct
46 Incorrect 54 ms 884 KB Output isn't correct
47 Incorrect 203 ms 884 KB Output isn't correct
48 Incorrect 70 ms 884 KB Output isn't correct
49 Incorrect 9 ms 884 KB Output isn't correct
50 Incorrect 82 ms 884 KB Output isn't correct
51 Incorrect 240 ms 884 KB Output isn't correct
52 Incorrect 75 ms 884 KB Output isn't correct
53 Incorrect 13 ms 884 KB Output isn't correct
54 Correct 25 ms 884 KB Output is correct
55 Incorrect 15 ms 884 KB Output isn't correct
56 Correct 2 ms 884 KB Output is correct
57 Correct 2 ms 884 KB Output is correct
58 Correct 11 ms 884 KB Output is correct
59 Correct 3 ms 884 KB Output is correct
60 Correct 6 ms 884 KB Output is correct
61 Incorrect 12 ms 884 KB Output isn't correct
62 Correct 1 ms 884 KB Output is correct
63 Runtime error 5 ms 1436 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Runtime error 3 ms 1540 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Runtime error 5 ms 1556 KB Execution killed with signal 11 (could be triggered by violating memory limits)
66 Runtime error 4 ms 1572 KB Execution killed with signal 11 (could be triggered by violating memory limits)
67 Runtime error 4 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 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
71 Runtime error 3 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 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
74 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
75 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
77 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
78 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
79 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
80 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
81 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
82 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 700 KB Output is correct
2 Correct 3 ms 824 KB Output is correct
3 Correct 3 ms 884 KB Output is correct
4 Correct 3 ms 884 KB Output is correct
5 Correct 4 ms 884 KB Output is correct
6 Correct 4 ms 884 KB Output is correct
7 Correct 2 ms 884 KB Output is correct
8 Correct 3 ms 884 KB Output is correct
9 Correct 3 ms 884 KB Output is correct
10 Correct 3 ms 884 KB Output is correct
11 Correct 3 ms 884 KB Output is correct
12 Correct 1 ms 884 KB Output is correct
13 Correct 2 ms 884 KB Output is correct
14 Correct 2 ms 884 KB Output is correct
15 Correct 3 ms 884 KB Output is correct
16 Correct 2 ms 884 KB Output is correct
17 Correct 3 ms 884 KB Output is correct
18 Correct 3 ms 884 KB Output is correct
19 Correct 2 ms 884 KB Output is correct
20 Correct 2 ms 884 KB Output is correct
21 Correct 4 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct
23 Correct 2 ms 884 KB Output is correct
24 Correct 2 ms 884 KB Output is correct
25 Correct 2 ms 884 KB Output is correct
26 Correct 2 ms 884 KB Output is correct
27 Correct 2 ms 884 KB Output is correct
28 Correct 2 ms 884 KB Output is correct
29 Correct 2 ms 884 KB Output is correct
30 Correct 1 ms 884 KB Output is correct
31 Correct 2 ms 884 KB Output is correct
32 Correct 1 ms 884 KB Output is correct
33 Correct 2 ms 884 KB Output is correct
34 Correct 1 ms 884 KB Output is correct
35 Correct 2 ms 884 KB Output is correct
36 Correct 2 ms 884 KB Output is correct
37 Correct 3 ms 884 KB Output is correct
38 Correct 2 ms 884 KB Output is correct
39 Correct 2 ms 884 KB Output is correct
40 Incorrect 24 ms 884 KB Output isn't correct
41 Incorrect 33 ms 884 KB Output isn't correct
42 Incorrect 49 ms 884 KB Output isn't correct
43 Correct 14 ms 884 KB Output is correct
44 Incorrect 61 ms 884 KB Output isn't correct
45 Incorrect 83 ms 884 KB Output isn't correct
46 Incorrect 54 ms 884 KB Output isn't correct
47 Incorrect 203 ms 884 KB Output isn't correct
48 Incorrect 70 ms 884 KB Output isn't correct
49 Incorrect 9 ms 884 KB Output isn't correct
50 Incorrect 82 ms 884 KB Output isn't correct
51 Incorrect 240 ms 884 KB Output isn't correct
52 Incorrect 75 ms 884 KB Output isn't correct
53 Incorrect 13 ms 884 KB Output isn't correct
54 Correct 25 ms 884 KB Output is correct
55 Incorrect 15 ms 884 KB Output isn't correct
56 Correct 2 ms 884 KB Output is correct
57 Correct 2 ms 884 KB Output is correct
58 Correct 11 ms 884 KB Output is correct
59 Correct 3 ms 884 KB Output is correct
60 Correct 6 ms 884 KB Output is correct
61 Incorrect 12 ms 884 KB Output isn't correct
62 Correct 1 ms 884 KB Output is correct
63 Runtime error 5 ms 1436 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Runtime error 3 ms 1540 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Runtime error 5 ms 1556 KB Execution killed with signal 11 (could be triggered by violating memory limits)
66 Runtime error 4 ms 1572 KB Execution killed with signal 11 (could be triggered by violating memory limits)
67 Runtime error 4 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 3 ms 1576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
71 Runtime error 3 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 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
74 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
75 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
77 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
78 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
79 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
80 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
81 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
82 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
83 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
84 Runtime error 6 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
85 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
86 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
87 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
88 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
89 Runtime error 6 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
90 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
91 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
92 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
93 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
94 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
95 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
96 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
97 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
98 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
99 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
100 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
101 Runtime error 9 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
102 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
103 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
104 Runtime error 3 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
105 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
106 Runtime error 5 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)
107 Runtime error 4 ms 1588 KB Execution killed with signal 11 (could be triggered by violating memory limits)