| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1015086 |
2024-07-06T04:58:56 Z |
vjudge1 |
Boat (APIO16_boat) |
C++17 |
|
1110 ms |
524288 KB |
#include<bits/stdc++.h>
using namespace std;
const int mod = 1'000'000'007;
int main()
{
int n;
cin >> n;
int a[1 + n], b[1 + n]; // [a[i], a[i] + b[i])
a[0] = 0, b[0] = 1;
for(int i = 1; i <= n; i++)
{
cin >> a[i] >> b[i];
b[i] = b[i] - a[i] + 1;
}
vector<vector<int> > dp(1 + n);
dp[0].push_back(1);
for(int i = 1; i <= n; i++)
{
dp[i].resize(b[i]);
for(int j = 0; j < b[i]; j++)
{
int x = a[i] + j;
for(int k = 0; k < i; k++)
{
int len = min(b[k], max(0, x - a[k]));
if(len > 0) dp[i][j] += dp[k][len - 1];
dp[i][j] %= mod;
}
}
for(int j = 1; j < b[i]; j++)
dp[i][j] += dp[i][j - 1], dp[i][j] %= mod;
}
int ans = 0;
for(int i = 1; i <= n; i ++)
ans += dp[i].back(), ans %= mod;
cout << ans << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
464 KB |
Output is correct |
| 17 |
Correct |
1 ms |
444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
464 KB |
Output is correct |
| 17 |
Correct |
1 ms |
444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
677 ms |
3648 KB |
Output is correct |
| 22 |
Correct |
685 ms |
3684 KB |
Output is correct |
| 23 |
Correct |
697 ms |
3552 KB |
Output is correct |
| 24 |
Correct |
690 ms |
3804 KB |
Output is correct |
| 25 |
Correct |
679 ms |
3920 KB |
Output is correct |
| 26 |
Correct |
781 ms |
4176 KB |
Output is correct |
| 27 |
Correct |
846 ms |
4204 KB |
Output is correct |
| 28 |
Correct |
838 ms |
4176 KB |
Output is correct |
| 29 |
Correct |
823 ms |
4040 KB |
Output is correct |
| 30 |
Correct |
1110 ms |
4092 KB |
Output is correct |
| 31 |
Correct |
1069 ms |
4344 KB |
Output is correct |
| 32 |
Correct |
1071 ms |
4180 KB |
Output is correct |
| 33 |
Correct |
1064 ms |
4180 KB |
Output is correct |
| 34 |
Correct |
1054 ms |
4180 KB |
Output is correct |
| 35 |
Correct |
696 ms |
3896 KB |
Output is correct |
| 36 |
Correct |
797 ms |
4152 KB |
Output is correct |
| 37 |
Correct |
799 ms |
4236 KB |
Output is correct |
| 38 |
Correct |
842 ms |
4080 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
234 ms |
524288 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
464 KB |
Output is correct |
| 17 |
Correct |
1 ms |
444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
677 ms |
3648 KB |
Output is correct |
| 22 |
Correct |
685 ms |
3684 KB |
Output is correct |
| 23 |
Correct |
697 ms |
3552 KB |
Output is correct |
| 24 |
Correct |
690 ms |
3804 KB |
Output is correct |
| 25 |
Correct |
679 ms |
3920 KB |
Output is correct |
| 26 |
Correct |
781 ms |
4176 KB |
Output is correct |
| 27 |
Correct |
846 ms |
4204 KB |
Output is correct |
| 28 |
Correct |
838 ms |
4176 KB |
Output is correct |
| 29 |
Correct |
823 ms |
4040 KB |
Output is correct |
| 30 |
Correct |
1110 ms |
4092 KB |
Output is correct |
| 31 |
Correct |
1069 ms |
4344 KB |
Output is correct |
| 32 |
Correct |
1071 ms |
4180 KB |
Output is correct |
| 33 |
Correct |
1064 ms |
4180 KB |
Output is correct |
| 34 |
Correct |
1054 ms |
4180 KB |
Output is correct |
| 35 |
Correct |
696 ms |
3896 KB |
Output is correct |
| 36 |
Correct |
797 ms |
4152 KB |
Output is correct |
| 37 |
Correct |
799 ms |
4236 KB |
Output is correct |
| 38 |
Correct |
842 ms |
4080 KB |
Output is correct |
| 39 |
Runtime error |
234 ms |
524288 KB |
Execution killed with signal 9 |
| 40 |
Halted |
0 ms |
0 KB |
- |
