#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int MOD = (int)1e9 + 7, LIM = 200, LIM2 = 200;
int N, d[100005], x[100005], dp[100005];
vector<int> vec[LIM2 + 5][LIM2];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N;
for (int i = 1; i <= N; i++) {
cin >> d[i] >> x[i];
}
for (int i = N; i >= 1; i--) {
if (d[i]) {
int num_stops = min(x[i], (N - i) / d[i]);
if (num_stops <= LIM) {
for (int j = 1; j <= num_stops; j++) {
dp[i] += dp[i + j * d[i]];
}
} else {
assert(d[i] <= LIM2);
for (int j = 1; j <= num_stops; j++) {
dp[i] += vec[d[i]][i % d[i]][vec[d[i]][i % d[i]].size() - j];
}
}
}
dp[i]++;
for (int j = 1; j <= LIM2; j++) {
vec[j][i % j].pb(dp[i]);
}
}
cout << dp[1] << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1368 KB |
Output is correct |
2 |
Correct |
1 ms |
1372 KB |
Output is correct |
3 |
Correct |
1 ms |
1372 KB |
Output is correct |
4 |
Correct |
1 ms |
1372 KB |
Output is correct |
5 |
Correct |
1 ms |
1372 KB |
Output is correct |
6 |
Correct |
1 ms |
1372 KB |
Output is correct |
7 |
Correct |
1 ms |
1372 KB |
Output is correct |
8 |
Correct |
1 ms |
1372 KB |
Output is correct |
9 |
Correct |
1 ms |
1372 KB |
Output is correct |
10 |
Correct |
1 ms |
1372 KB |
Output is correct |
11 |
Correct |
1 ms |
1372 KB |
Output is correct |
12 |
Correct |
1 ms |
1368 KB |
Output is correct |
13 |
Correct |
1 ms |
1372 KB |
Output is correct |
14 |
Correct |
1 ms |
1372 KB |
Output is correct |
15 |
Correct |
1 ms |
1372 KB |
Output is correct |
16 |
Correct |
2 ms |
1372 KB |
Output is correct |
17 |
Correct |
1 ms |
1372 KB |
Output is correct |
18 |
Correct |
1 ms |
1372 KB |
Output is correct |
19 |
Correct |
1 ms |
1372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1368 KB |
Output is correct |
2 |
Correct |
1 ms |
1372 KB |
Output is correct |
3 |
Correct |
1 ms |
1372 KB |
Output is correct |
4 |
Correct |
1 ms |
1372 KB |
Output is correct |
5 |
Correct |
1 ms |
1372 KB |
Output is correct |
6 |
Correct |
1 ms |
1372 KB |
Output is correct |
7 |
Correct |
1 ms |
1372 KB |
Output is correct |
8 |
Correct |
1 ms |
1372 KB |
Output is correct |
9 |
Correct |
1 ms |
1372 KB |
Output is correct |
10 |
Correct |
1 ms |
1372 KB |
Output is correct |
11 |
Correct |
1 ms |
1372 KB |
Output is correct |
12 |
Correct |
1 ms |
1368 KB |
Output is correct |
13 |
Correct |
1 ms |
1372 KB |
Output is correct |
14 |
Correct |
1 ms |
1372 KB |
Output is correct |
15 |
Correct |
1 ms |
1372 KB |
Output is correct |
16 |
Correct |
2 ms |
1372 KB |
Output is correct |
17 |
Correct |
1 ms |
1372 KB |
Output is correct |
18 |
Correct |
1 ms |
1372 KB |
Output is correct |
19 |
Correct |
1 ms |
1372 KB |
Output is correct |
20 |
Incorrect |
20 ms |
11608 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1372 KB |
Output is correct |
2 |
Incorrect |
23 ms |
9560 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
227 ms |
57824 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1368 KB |
Output is correct |
2 |
Correct |
1 ms |
1372 KB |
Output is correct |
3 |
Correct |
1 ms |
1372 KB |
Output is correct |
4 |
Correct |
1 ms |
1372 KB |
Output is correct |
5 |
Correct |
1 ms |
1372 KB |
Output is correct |
6 |
Correct |
1 ms |
1372 KB |
Output is correct |
7 |
Correct |
1 ms |
1372 KB |
Output is correct |
8 |
Correct |
1 ms |
1372 KB |
Output is correct |
9 |
Correct |
1 ms |
1372 KB |
Output is correct |
10 |
Correct |
1 ms |
1372 KB |
Output is correct |
11 |
Correct |
1 ms |
1372 KB |
Output is correct |
12 |
Correct |
1 ms |
1368 KB |
Output is correct |
13 |
Correct |
1 ms |
1372 KB |
Output is correct |
14 |
Correct |
1 ms |
1372 KB |
Output is correct |
15 |
Correct |
1 ms |
1372 KB |
Output is correct |
16 |
Correct |
2 ms |
1372 KB |
Output is correct |
17 |
Correct |
1 ms |
1372 KB |
Output is correct |
18 |
Correct |
1 ms |
1372 KB |
Output is correct |
19 |
Correct |
1 ms |
1372 KB |
Output is correct |
20 |
Incorrect |
20 ms |
11608 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |