| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 69303 |
2018-08-20T11:45:56 Z |
FedericoS |
Boat (APIO16_boat) |
C++14 |
|
1718 ms |
77956 KB |
#pragma GCC optimize("Ofast")
#include <iostream>
#include <unordered_map>
#include <map>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> pll;
ll M=1000000007;
int N;
ll X[505],Y[505];
vector<ll> DP[505];
ll ans;
ll R[4000006];
unordered_map<ll,ll> L;
vector<ll> V;
ll query(ll k, ll l, ll r, ll a, ll b){
if(b<l or r<a) return 0;
if(a<=l and r<=b) return R[k];
ll m=(l+r)/2;
return (query(2*k,l,m,a,b)+query(2*k+1,m+1,r,a,b))%M;
}
void insert(ll k, ll l, ll r, ll a, ll b){
if(l==r) R[k]=(R[k]+b)%M;
else{
ll m=(l+r)/2;
if(a<=m)
insert(2*k,l,m,a,b);
else
insert(2*k+1,m+1,r,a,b);
R[k]=(R[2*k]+R[2*k+1])%M;
}
}
ll somma(ll a){
return query(1,0,1e6+1,a,1e6);
}
void aggiungi(ll a, ll b){
insert(1,0,1e6+1,a,b);
}
int main(){
cin>>N;
for(int i=0;i<N;i++)
cin>>X[i]>>Y[i];
for(int i=0;i<N;i++)
DP[i].resize(Y[i]-X[i]+4);
for(int i=0;i<N;i++)
for(ll j=X[i];j<Y[i]+3;j++)
V.push_back(j);
sort(V.begin(),V.end());
ll p=0;
for(int i=0;i<V.size();i++)
if(i==0 or V[i]!=V[i-1])
L[V[i]]=p++;
for(int i=0;i<N;i++){
X[i]=L[X[i]];
Y[i]=L[Y[i]];
}
for(int i=N-1;i>=0;i--)
for(ll j=X[i],k=0;j<=Y[i];j++,k++){
DP[i][k]=(somma(j+1)+1)%M;
aggiungi(j,DP[i][k]);
ans=(ans+DP[i][k])%M;
//cout<<i<<" "<<j<<" "<<DP[{i,j}]<<endl;
}
//for(int i=0;i<10;i++)cout<<i<<" "<<S[i]<<endl;
cout<<ans;
}
/*
3
1 1
2 2
3 3
*/
/*
8
10000 30000
20000 40000
30000 50000
40000 60000
50000 70000
60000 80000
70000 90000
80000 100000
*/
Compilation message
boat.cpp: In function 'int main()':
boat.cpp:70:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<V.size();i++)
~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
504 KB |
Output is correct |
| 2 |
Correct |
4 ms |
616 KB |
Output is correct |
| 3 |
Correct |
5 ms |
672 KB |
Output is correct |
| 4 |
Correct |
5 ms |
852 KB |
Output is correct |
| 5 |
Correct |
3 ms |
852 KB |
Output is correct |
| 6 |
Correct |
4 ms |
852 KB |
Output is correct |
| 7 |
Correct |
5 ms |
852 KB |
Output is correct |
| 8 |
Correct |
5 ms |
852 KB |
Output is correct |
| 9 |
Correct |
4 ms |
852 KB |
Output is correct |
| 10 |
Correct |
5 ms |
852 KB |
Output is correct |
| 11 |
Correct |
4 ms |
852 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
4 ms |
852 KB |
Output is correct |
| 14 |
Correct |
5 ms |
852 KB |
Output is correct |
| 15 |
Correct |
5 ms |
852 KB |
Output is correct |
| 16 |
Correct |
4 ms |
852 KB |
Output is correct |
| 17 |
Correct |
4 ms |
852 KB |
Output is correct |
| 18 |
Correct |
4 ms |
852 KB |
Output is correct |
| 19 |
Correct |
5 ms |
852 KB |
Output is correct |
| 20 |
Correct |
5 ms |
852 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
504 KB |
Output is correct |
| 2 |
Correct |
4 ms |
616 KB |
Output is correct |
| 3 |
Correct |
5 ms |
672 KB |
Output is correct |
| 4 |
Correct |
5 ms |
852 KB |
Output is correct |
| 5 |
Correct |
3 ms |
852 KB |
Output is correct |
| 6 |
Correct |
4 ms |
852 KB |
Output is correct |
| 7 |
Correct |
5 ms |
852 KB |
Output is correct |
| 8 |
Correct |
5 ms |
852 KB |
Output is correct |
| 9 |
Correct |
4 ms |
852 KB |
Output is correct |
| 10 |
Correct |
5 ms |
852 KB |
Output is correct |
| 11 |
Correct |
4 ms |
852 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
4 ms |
852 KB |
Output is correct |
| 14 |
Correct |
5 ms |
852 KB |
Output is correct |
| 15 |
Correct |
5 ms |
852 KB |
Output is correct |
| 16 |
Correct |
4 ms |
852 KB |
Output is correct |
| 17 |
Correct |
4 ms |
852 KB |
Output is correct |
| 18 |
Correct |
4 ms |
852 KB |
Output is correct |
| 19 |
Correct |
5 ms |
852 KB |
Output is correct |
| 20 |
Correct |
5 ms |
852 KB |
Output is correct |
| 21 |
Correct |
1255 ms |
15828 KB |
Output is correct |
| 22 |
Correct |
1267 ms |
15828 KB |
Output is correct |
| 23 |
Correct |
1225 ms |
15828 KB |
Output is correct |
| 24 |
Correct |
1287 ms |
15952 KB |
Output is correct |
| 25 |
Correct |
1367 ms |
16208 KB |
Output is correct |
| 26 |
Correct |
1427 ms |
16412 KB |
Output is correct |
| 27 |
Correct |
1496 ms |
16592 KB |
Output is correct |
| 28 |
Correct |
1477 ms |
16592 KB |
Output is correct |
| 29 |
Correct |
1425 ms |
16692 KB |
Output is correct |
| 30 |
Correct |
1682 ms |
77860 KB |
Output is correct |
| 31 |
Correct |
1634 ms |
77860 KB |
Output is correct |
| 32 |
Correct |
1550 ms |
77956 KB |
Output is correct |
| 33 |
Correct |
1547 ms |
77956 KB |
Output is correct |
| 34 |
Correct |
1620 ms |
77956 KB |
Output is correct |
| 35 |
Correct |
1556 ms |
77956 KB |
Output is correct |
| 36 |
Correct |
1587 ms |
77956 KB |
Output is correct |
| 37 |
Correct |
1718 ms |
77956 KB |
Output is correct |
| 38 |
Correct |
1490 ms |
77956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
8 ms |
77956 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
504 KB |
Output is correct |
| 2 |
Correct |
4 ms |
616 KB |
Output is correct |
| 3 |
Correct |
5 ms |
672 KB |
Output is correct |
| 4 |
Correct |
5 ms |
852 KB |
Output is correct |
| 5 |
Correct |
3 ms |
852 KB |
Output is correct |
| 6 |
Correct |
4 ms |
852 KB |
Output is correct |
| 7 |
Correct |
5 ms |
852 KB |
Output is correct |
| 8 |
Correct |
5 ms |
852 KB |
Output is correct |
| 9 |
Correct |
4 ms |
852 KB |
Output is correct |
| 10 |
Correct |
5 ms |
852 KB |
Output is correct |
| 11 |
Correct |
4 ms |
852 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
4 ms |
852 KB |
Output is correct |
| 14 |
Correct |
5 ms |
852 KB |
Output is correct |
| 15 |
Correct |
5 ms |
852 KB |
Output is correct |
| 16 |
Correct |
4 ms |
852 KB |
Output is correct |
| 17 |
Correct |
4 ms |
852 KB |
Output is correct |
| 18 |
Correct |
4 ms |
852 KB |
Output is correct |
| 19 |
Correct |
5 ms |
852 KB |
Output is correct |
| 20 |
Correct |
5 ms |
852 KB |
Output is correct |
| 21 |
Correct |
1255 ms |
15828 KB |
Output is correct |
| 22 |
Correct |
1267 ms |
15828 KB |
Output is correct |
| 23 |
Correct |
1225 ms |
15828 KB |
Output is correct |
| 24 |
Correct |
1287 ms |
15952 KB |
Output is correct |
| 25 |
Correct |
1367 ms |
16208 KB |
Output is correct |
| 26 |
Correct |
1427 ms |
16412 KB |
Output is correct |
| 27 |
Correct |
1496 ms |
16592 KB |
Output is correct |
| 28 |
Correct |
1477 ms |
16592 KB |
Output is correct |
| 29 |
Correct |
1425 ms |
16692 KB |
Output is correct |
| 30 |
Correct |
1682 ms |
77860 KB |
Output is correct |
| 31 |
Correct |
1634 ms |
77860 KB |
Output is correct |
| 32 |
Correct |
1550 ms |
77956 KB |
Output is correct |
| 33 |
Correct |
1547 ms |
77956 KB |
Output is correct |
| 34 |
Correct |
1620 ms |
77956 KB |
Output is correct |
| 35 |
Correct |
1556 ms |
77956 KB |
Output is correct |
| 36 |
Correct |
1587 ms |
77956 KB |
Output is correct |
| 37 |
Correct |
1718 ms |
77956 KB |
Output is correct |
| 38 |
Correct |
1490 ms |
77956 KB |
Output is correct |
| 39 |
Runtime error |
8 ms |
77956 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 40 |
Halted |
0 ms |
0 KB |
- |
