# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
20013 |
2016-02-25T08:29:28 Z |
suzy |
괄호 (kriii4_R) |
C++ |
|
6 ms |
14328 KB |
#include <cstdio>
#include <cstring>
using namespace std;
const int MOD = 1000000007;
int dp[1000000], N, K;
int paren(int pos){
if(pos == N) return 1;
int &ret = dp[pos];
if(ret != -1) return ret;
ret = paren(pos+1);
if(pos < N-1) ret += paren(pos+2);
return ret = 1LL*K*ret % MOD;
}
int main(){
scanf("%d %d", &N, &K);
memset(dp, -1, sizeof(dp));
printf("%d\n", paren(0));
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
14328 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |