| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 23565 |
2017-05-12T15:56:51 Z |
repeating |
Boat (APIO16_boat) |
C++11 |
|
2000 ms |
9844 KB |
#include <bits/stdc++.h>
#define F first
#define S second
#define P push
#define pb push_back
#define MEM(dp,i) memset(dp,i,sizeof(dp))
#define W while
#define R return
#define C continue
#define SI size()
#define ll long long
#define pll pair<ll,ll>
#define SF(x) scanf("%I64d",&x)
using namespace std;
const long long INF = 2e9;
long long MOD = 1e9+7;
ll n;
ll a[555];
ll b[555];
map<ll,ll>dp[555];
ll DP(ll x,ll last){
if(x==n)R 1;
ll &ret=dp[x][last];
if(ret)R ret-1;
ret=DP(x+1,last);
for(int i=max(last+1,a[x]);i<=b[x];i++){
ret+=DP(x+1,i);
}
ret%=MOD;
ret++;
R ret-1;
}
int main(){
cin>>n;
for(int i=0;i<n;i++){
cin>>a[i]>>b[i];
}
cout<<DP(0,0)-1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
43 ms |
9844 KB |
Output is correct |
| 2 |
Correct |
53 ms |
9844 KB |
Output is correct |
| 3 |
Correct |
36 ms |
9844 KB |
Output is correct |
| 4 |
Correct |
46 ms |
9844 KB |
Output is correct |
| 5 |
Correct |
49 ms |
9844 KB |
Output is correct |
| 6 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 7 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 8 |
Correct |
69 ms |
9844 KB |
Output is correct |
| 9 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 10 |
Correct |
56 ms |
9844 KB |
Output is correct |
| 11 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 12 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 13 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 14 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 15 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 16 |
Correct |
9 ms |
4300 KB |
Output is correct |
| 17 |
Correct |
9 ms |
4432 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 19 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4300 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
43 ms |
9844 KB |
Output is correct |
| 2 |
Correct |
53 ms |
9844 KB |
Output is correct |
| 3 |
Correct |
36 ms |
9844 KB |
Output is correct |
| 4 |
Correct |
46 ms |
9844 KB |
Output is correct |
| 5 |
Correct |
49 ms |
9844 KB |
Output is correct |
| 6 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 7 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 8 |
Correct |
69 ms |
9844 KB |
Output is correct |
| 9 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 10 |
Correct |
56 ms |
9844 KB |
Output is correct |
| 11 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 12 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 13 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 14 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 15 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 16 |
Correct |
9 ms |
4300 KB |
Output is correct |
| 17 |
Correct |
9 ms |
4432 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 19 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4300 KB |
Output is correct |
| 21 |
Execution timed out |
2000 ms |
5752 KB |
Execution timed out |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2000 ms |
2056 KB |
Execution timed out |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
43 ms |
9844 KB |
Output is correct |
| 2 |
Correct |
53 ms |
9844 KB |
Output is correct |
| 3 |
Correct |
36 ms |
9844 KB |
Output is correct |
| 4 |
Correct |
46 ms |
9844 KB |
Output is correct |
| 5 |
Correct |
49 ms |
9844 KB |
Output is correct |
| 6 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 7 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 8 |
Correct |
69 ms |
9844 KB |
Output is correct |
| 9 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 10 |
Correct |
56 ms |
9844 KB |
Output is correct |
| 11 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 12 |
Correct |
73 ms |
9844 KB |
Output is correct |
| 13 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 14 |
Correct |
66 ms |
9844 KB |
Output is correct |
| 15 |
Correct |
63 ms |
9844 KB |
Output is correct |
| 16 |
Correct |
9 ms |
4300 KB |
Output is correct |
| 17 |
Correct |
9 ms |
4432 KB |
Output is correct |
| 18 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 19 |
Correct |
6 ms |
4432 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4300 KB |
Output is correct |
| 21 |
Execution timed out |
2000 ms |
5752 KB |
Execution timed out |
| 22 |
Halted |
0 ms |
0 KB |
- |
