| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 672249 |
2022-12-15T08:28:39 Z |
Dan4Life |
Boat (APIO16_boat) |
C++17 |
|
1437 ms |
524288 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
const int maxn = 5e2+10;
const int MOD = (int)1e9+7;
pair<int,int> a[maxn];
vector<int> dp[maxn];
int n;
int32_t main() {
cin >> n; int ans = 0;
for(int i = 0; i < n; i++) cin >> a[i].fi >> a[i].se;
for(int i = 0; i < n; i++){
dp[i].resize(a[i].se-a[i].fi+1,0);
int x = a[i].fi;
for(int j = 0; j <= a[i].se-x; j++){
dp[i][j]=1;
if(j) dp[i][j]+=dp[i][j-1];
if(dp[i][j]>MOD) dp[i][j]-=MOD;
for(int k = 0; k < i; k++){
if(j+x>a[k].fi) dp[i][j]+=dp[k][min(j+x-1,a[k].se)-a[k].fi];
if(dp[i][j]>MOD) dp[i][j]-=MOD;
}
}
}
for(int i = 0; i < n; i++) ans+=dp[i][a[i].se-a[i].fi], ans-=(ans>MOD?MOD:0);
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
2 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
2 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1414 ms |
3680 KB |
Output is correct |
| 22 |
Correct |
1392 ms |
3680 KB |
Output is correct |
| 23 |
Correct |
1260 ms |
3500 KB |
Output is correct |
| 24 |
Correct |
1407 ms |
3724 KB |
Output is correct |
| 25 |
Correct |
1383 ms |
3796 KB |
Output is correct |
| 26 |
Correct |
1356 ms |
4044 KB |
Output is correct |
| 27 |
Correct |
1411 ms |
4100 KB |
Output is correct |
| 28 |
Correct |
1376 ms |
4076 KB |
Output is correct |
| 29 |
Correct |
1437 ms |
4096 KB |
Output is correct |
| 30 |
Correct |
1394 ms |
4148 KB |
Output is correct |
| 31 |
Correct |
1383 ms |
4300 KB |
Output is correct |
| 32 |
Correct |
1382 ms |
4188 KB |
Output is correct |
| 33 |
Correct |
1331 ms |
4300 KB |
Output is correct |
| 34 |
Correct |
1363 ms |
4276 KB |
Output is correct |
| 35 |
Correct |
724 ms |
3928 KB |
Output is correct |
| 36 |
Correct |
852 ms |
3992 KB |
Output is correct |
| 37 |
Correct |
831 ms |
4028 KB |
Output is correct |
| 38 |
Correct |
857 ms |
3916 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
222 ms |
524288 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
2 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1414 ms |
3680 KB |
Output is correct |
| 22 |
Correct |
1392 ms |
3680 KB |
Output is correct |
| 23 |
Correct |
1260 ms |
3500 KB |
Output is correct |
| 24 |
Correct |
1407 ms |
3724 KB |
Output is correct |
| 25 |
Correct |
1383 ms |
3796 KB |
Output is correct |
| 26 |
Correct |
1356 ms |
4044 KB |
Output is correct |
| 27 |
Correct |
1411 ms |
4100 KB |
Output is correct |
| 28 |
Correct |
1376 ms |
4076 KB |
Output is correct |
| 29 |
Correct |
1437 ms |
4096 KB |
Output is correct |
| 30 |
Correct |
1394 ms |
4148 KB |
Output is correct |
| 31 |
Correct |
1383 ms |
4300 KB |
Output is correct |
| 32 |
Correct |
1382 ms |
4188 KB |
Output is correct |
| 33 |
Correct |
1331 ms |
4300 KB |
Output is correct |
| 34 |
Correct |
1363 ms |
4276 KB |
Output is correct |
| 35 |
Correct |
724 ms |
3928 KB |
Output is correct |
| 36 |
Correct |
852 ms |
3992 KB |
Output is correct |
| 37 |
Correct |
831 ms |
4028 KB |
Output is correct |
| 38 |
Correct |
857 ms |
3916 KB |
Output is correct |
| 39 |
Runtime error |
222 ms |
524288 KB |
Execution killed with signal 9 |
| 40 |
Halted |
0 ms |
0 KB |
- |
