| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 61203 |
2018-07-25T11:07:35 Z |
istlemin |
Boat (APIO16_boat) |
C++14 |
|
2000 ms |
525312 KB |
#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;
ll mod = 1e9+7;
vi posLast;
vi posLastStart;
vi a;
vi b;
ll n;
vector<vi> mem;
ll getNum(ll lastI,ll index){
if(index==n) return 1;
if(mem[lastI][index]!=-1) return mem[lastI][index];
ll last = posLast[lastI];
ll ans = getNum(lastI,index+1)%mod;
rep(i,max(last+1,a[index]),b[index]+1){
ans = (ans + getNum(posLastStart[index]+i-a[index],index+1))%mod;
}
return mem[lastI][index] = (ans%mod);
}
int main(){
cin.sync_with_stdio(false);
cin>>n;
a.resize(n);
b.resize(n);
posLastStart.resize(n);
posLast.push_back(-1);
rep(i,0,n) {
cin>>a[i]>>b[i];
posLastStart[i] = posLast.size();
rep(j,a[i],b[i]+1) posLast.push_back(j);
}
mem.resize(posLastStart.size()+1,vi(n+1,-1));
cout<<(getNum(0,0)+mod-1)%mod<<endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2424 KB |
Output is correct |
| 2 |
Correct |
13 ms |
2536 KB |
Output is correct |
| 3 |
Correct |
12 ms |
2620 KB |
Output is correct |
| 4 |
Correct |
11 ms |
2628 KB |
Output is correct |
| 5 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 6 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 7 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 8 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 9 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 10 |
Correct |
17 ms |
2628 KB |
Output is correct |
| 11 |
Correct |
12 ms |
2628 KB |
Output is correct |
| 12 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 13 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 14 |
Correct |
12 ms |
2644 KB |
Output is correct |
| 15 |
Correct |
15 ms |
2660 KB |
Output is correct |
| 16 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 17 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 18 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 19 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 20 |
Correct |
13 ms |
2660 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2424 KB |
Output is correct |
| 2 |
Correct |
13 ms |
2536 KB |
Output is correct |
| 3 |
Correct |
12 ms |
2620 KB |
Output is correct |
| 4 |
Correct |
11 ms |
2628 KB |
Output is correct |
| 5 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 6 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 7 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 8 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 9 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 10 |
Correct |
17 ms |
2628 KB |
Output is correct |
| 11 |
Correct |
12 ms |
2628 KB |
Output is correct |
| 12 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 13 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 14 |
Correct |
12 ms |
2644 KB |
Output is correct |
| 15 |
Correct |
15 ms |
2660 KB |
Output is correct |
| 16 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 17 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 18 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 19 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 20 |
Correct |
13 ms |
2660 KB |
Output is correct |
| 21 |
Runtime error |
30 ms |
18512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2056 ms |
525312 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2424 KB |
Output is correct |
| 2 |
Correct |
13 ms |
2536 KB |
Output is correct |
| 3 |
Correct |
12 ms |
2620 KB |
Output is correct |
| 4 |
Correct |
11 ms |
2628 KB |
Output is correct |
| 5 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 6 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 7 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 8 |
Correct |
14 ms |
2628 KB |
Output is correct |
| 9 |
Correct |
13 ms |
2628 KB |
Output is correct |
| 10 |
Correct |
17 ms |
2628 KB |
Output is correct |
| 11 |
Correct |
12 ms |
2628 KB |
Output is correct |
| 12 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 13 |
Correct |
13 ms |
2644 KB |
Output is correct |
| 14 |
Correct |
12 ms |
2644 KB |
Output is correct |
| 15 |
Correct |
15 ms |
2660 KB |
Output is correct |
| 16 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 17 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 18 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 19 |
Correct |
12 ms |
2660 KB |
Output is correct |
| 20 |
Correct |
13 ms |
2660 KB |
Output is correct |
| 21 |
Runtime error |
30 ms |
18512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 22 |
Halted |
0 ms |
0 KB |
- |
