# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
203906 |
2020-02-23T01:05:34 Z |
Segtree |
Boat (APIO16_boat) |
C++14 |
|
1443 ms |
524292 KB |
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
typedef long long ll;
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define rep(i,n) for(int i=0;i<n;i++)
#define mod 1000000007
#define mad(a,b) a=(a+b)%mod
#define N 510
#define X 1000010
vector<ll> dp[N];
ll a[N],b[N];
int main(){
ll n; cin>>n;
a[0]=b[0]=0;
dp[0].push_back(1);
for(int i=1;i<=n;i++){
cin>>a[i]>>b[i];
for(int j=a[i];j<=b[i];j++)dp[i].push_back(0);
for(int j=0;j<i;j++){
for(int k=a[j];k<=b[j];k++){
if(k<a[i])mad(dp[i][0],dp[j][k-a[j]]);
else if(k<b[i])mad(dp[i][k+1-a[i]],dp[j][k-a[j]]);
}
}
for(int j=a[i]+1;j<=b[i];j++)mad(dp[i][j-a[i]],dp[i][j-1-a[i]]);
}
ll ans=0;
for(int i=1;i<=n;i++){
for(int j=a[i];j<=b[i];j++){
//cout<<i<<" "<<j<<" "<<dp[i][j-a[i]]<<endl;
mad(ans,dp[i][j-a[i]]);
}
}
cout<<ans<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
376 KB |
Output is correct |
2 |
Correct |
6 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
376 KB |
Output is correct |
6 |
Correct |
6 ms |
376 KB |
Output is correct |
7 |
Correct |
7 ms |
376 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
6 ms |
376 KB |
Output is correct |
10 |
Correct |
6 ms |
376 KB |
Output is correct |
11 |
Correct |
6 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
6 ms |
376 KB |
Output is correct |
15 |
Correct |
7 ms |
376 KB |
Output is correct |
16 |
Correct |
7 ms |
376 KB |
Output is correct |
17 |
Correct |
6 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
6 ms |
376 KB |
Output is correct |
20 |
Correct |
6 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
376 KB |
Output is correct |
2 |
Correct |
6 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
376 KB |
Output is correct |
6 |
Correct |
6 ms |
376 KB |
Output is correct |
7 |
Correct |
7 ms |
376 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
6 ms |
376 KB |
Output is correct |
10 |
Correct |
6 ms |
376 KB |
Output is correct |
11 |
Correct |
6 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
6 ms |
376 KB |
Output is correct |
15 |
Correct |
7 ms |
376 KB |
Output is correct |
16 |
Correct |
7 ms |
376 KB |
Output is correct |
17 |
Correct |
6 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
6 ms |
376 KB |
Output is correct |
20 |
Correct |
6 ms |
376 KB |
Output is correct |
21 |
Correct |
995 ms |
8944 KB |
Output is correct |
22 |
Correct |
964 ms |
9080 KB |
Output is correct |
23 |
Correct |
911 ms |
8544 KB |
Output is correct |
24 |
Correct |
991 ms |
9136 KB |
Output is correct |
25 |
Correct |
1072 ms |
9464 KB |
Output is correct |
26 |
Correct |
1443 ms |
8360 KB |
Output is correct |
27 |
Correct |
1420 ms |
8440 KB |
Output is correct |
28 |
Correct |
1433 ms |
8440 KB |
Output is correct |
29 |
Correct |
1437 ms |
8520 KB |
Output is correct |
30 |
Correct |
1218 ms |
10176 KB |
Output is correct |
31 |
Correct |
1227 ms |
10356 KB |
Output is correct |
32 |
Correct |
1276 ms |
10060 KB |
Output is correct |
33 |
Correct |
1249 ms |
9652 KB |
Output is correct |
34 |
Correct |
1269 ms |
10084 KB |
Output is correct |
35 |
Correct |
755 ms |
9588 KB |
Output is correct |
36 |
Correct |
745 ms |
9860 KB |
Output is correct |
37 |
Correct |
773 ms |
9812 KB |
Output is correct |
38 |
Correct |
815 ms |
9764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
615 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
376 KB |
Output is correct |
2 |
Correct |
6 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
376 KB |
Output is correct |
6 |
Correct |
6 ms |
376 KB |
Output is correct |
7 |
Correct |
7 ms |
376 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
6 ms |
376 KB |
Output is correct |
10 |
Correct |
6 ms |
376 KB |
Output is correct |
11 |
Correct |
6 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
6 ms |
376 KB |
Output is correct |
15 |
Correct |
7 ms |
376 KB |
Output is correct |
16 |
Correct |
7 ms |
376 KB |
Output is correct |
17 |
Correct |
6 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
6 ms |
376 KB |
Output is correct |
20 |
Correct |
6 ms |
376 KB |
Output is correct |
21 |
Correct |
995 ms |
8944 KB |
Output is correct |
22 |
Correct |
964 ms |
9080 KB |
Output is correct |
23 |
Correct |
911 ms |
8544 KB |
Output is correct |
24 |
Correct |
991 ms |
9136 KB |
Output is correct |
25 |
Correct |
1072 ms |
9464 KB |
Output is correct |
26 |
Correct |
1443 ms |
8360 KB |
Output is correct |
27 |
Correct |
1420 ms |
8440 KB |
Output is correct |
28 |
Correct |
1433 ms |
8440 KB |
Output is correct |
29 |
Correct |
1437 ms |
8520 KB |
Output is correct |
30 |
Correct |
1218 ms |
10176 KB |
Output is correct |
31 |
Correct |
1227 ms |
10356 KB |
Output is correct |
32 |
Correct |
1276 ms |
10060 KB |
Output is correct |
33 |
Correct |
1249 ms |
9652 KB |
Output is correct |
34 |
Correct |
1269 ms |
10084 KB |
Output is correct |
35 |
Correct |
755 ms |
9588 KB |
Output is correct |
36 |
Correct |
745 ms |
9860 KB |
Output is correct |
37 |
Correct |
773 ms |
9812 KB |
Output is correct |
38 |
Correct |
815 ms |
9764 KB |
Output is correct |
39 |
Runtime error |
615 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
40 |
Halted |
0 ms |
0 KB |
- |