# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
994965 | 2024-06-08T08:56:31 Z | salmon | Trains (BOI24_trains) | C++14 | 199 ms | 249800 KB |
#include <bits/stdc++.h> using namespace std; vector<int> v; map<int,long long int> mep[100100]; vector<int> rebove[100100]; int N; long long int d,x; vector<pair<int,int>> iv; long long int num[100100]; long long int mod = 1'000'000'007; const int B = 300; long long int blom[100100][B + 5]; int main(){ scanf(" %d",&N); for(int i = 0; i < N; i++){ scanf(" %lld",&d); scanf(" %lld",&x); iv.push_back({d,x}); num[i] = 0; if(d <= B) rebove[min((long long int)N,i + d * x)].push_back(i); } num[0]= 1; long long int sum = 0; for(int i = 0; i < N; i++){ num[i] %= mod; for(int j : rebove[i]){ blom[i][iv[j].first] -= num[j]; blom[i][iv[j].first] %= mod; } if(iv[i].first <= B){ blom[i][iv[i].first] += num[i]; blom[i][iv[i].first] %= mod; } else{ int d = iv[i].first; int x = iv[i].second; for(int j = 1; j <= x && i + j * d < N; j++){ num[i + j * d] += num[i]; } } for(int j = 1; j <= B; j++){ num[min(N,i + j)] += blom[i][j]; blom[min(N,i + j)][j] += blom[i][j]; blom[min(N,i + j)][j] %= mod; } sum = (sum + num[i]) % mod; } printf("%lld",(sum + mod) % mod); }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 9048 KB | Output is correct |
2 | Correct | 2 ms | 9048 KB | Output is correct |
3 | Correct | 2 ms | 9052 KB | Output is correct |
4 | Correct | 2 ms | 9052 KB | Output is correct |
5 | Correct | 2 ms | 9048 KB | Output is correct |
6 | Correct | 2 ms | 9052 KB | Output is correct |
7 | Correct | 2 ms | 9052 KB | Output is correct |
8 | Correct | 2 ms | 9048 KB | Output is correct |
9 | Correct | 2 ms | 9052 KB | Output is correct |
10 | Correct | 2 ms | 9052 KB | Output is correct |
11 | Correct | 1 ms | 9052 KB | Output is correct |
12 | Correct | 2 ms | 9052 KB | Output is correct |
13 | Correct | 2 ms | 9048 KB | Output is correct |
14 | Correct | 2 ms | 9048 KB | Output is correct |
15 | Correct | 1 ms | 9052 KB | Output is correct |
16 | Correct | 1 ms | 9052 KB | Output is correct |
17 | Correct | 2 ms | 9048 KB | Output is correct |
18 | Correct | 2 ms | 9052 KB | Output is correct |
19 | Correct | 2 ms | 9064 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 9048 KB | Output is correct |
2 | Correct | 2 ms | 9048 KB | Output is correct |
3 | Correct | 2 ms | 9052 KB | Output is correct |
4 | Correct | 2 ms | 9052 KB | Output is correct |
5 | Correct | 2 ms | 9048 KB | Output is correct |
6 | Correct | 2 ms | 9052 KB | Output is correct |
7 | Correct | 2 ms | 9052 KB | Output is correct |
8 | Correct | 2 ms | 9048 KB | Output is correct |
9 | Correct | 2 ms | 9052 KB | Output is correct |
10 | Correct | 2 ms | 9052 KB | Output is correct |
11 | Correct | 1 ms | 9052 KB | Output is correct |
12 | Correct | 2 ms | 9052 KB | Output is correct |
13 | Correct | 2 ms | 9048 KB | Output is correct |
14 | Correct | 2 ms | 9048 KB | Output is correct |
15 | Correct | 1 ms | 9052 KB | Output is correct |
16 | Correct | 1 ms | 9052 KB | Output is correct |
17 | Correct | 2 ms | 9048 KB | Output is correct |
18 | Correct | 2 ms | 9052 KB | Output is correct |
19 | Correct | 2 ms | 9064 KB | Output is correct |
20 | Correct | 17 ms | 29020 KB | Output is correct |
21 | Correct | 8 ms | 15964 KB | Output is correct |
22 | Correct | 22 ms | 32992 KB | Output is correct |
23 | Correct | 15 ms | 24444 KB | Output is correct |
24 | Correct | 11 ms | 18908 KB | Output is correct |
25 | Correct | 24 ms | 30396 KB | Output is correct |
26 | Correct | 10 ms | 19800 KB | Output is correct |
27 | Correct | 18 ms | 29532 KB | Output is correct |
28 | Correct | 22 ms | 32984 KB | Output is correct |
29 | Correct | 26 ms | 33116 KB | Output is correct |
30 | Correct | 19 ms | 33020 KB | Output is correct |
31 | Correct | 21 ms | 33104 KB | Output is correct |
32 | Correct | 20 ms | 33116 KB | Output is correct |
33 | Correct | 21 ms | 33116 KB | Output is correct |
34 | Correct | 19 ms | 33116 KB | Output is correct |
35 | Correct | 21 ms | 33112 KB | Output is correct |
36 | Correct | 20 ms | 33116 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 9052 KB | Output is correct |
2 | Correct | 13 ms | 24668 KB | Output is correct |
3 | Correct | 11 ms | 19804 KB | Output is correct |
4 | Correct | 17 ms | 29532 KB | Output is correct |
5 | Correct | 141 ms | 195668 KB | Output is correct |
6 | Correct | 187 ms | 248908 KB | Output is correct |
7 | Correct | 180 ms | 249112 KB | Output is correct |
8 | Correct | 1 ms | 9052 KB | Output is correct |
9 | Correct | 1 ms | 9052 KB | Output is correct |
10 | Correct | 2 ms | 8892 KB | Output is correct |
11 | Correct | 20 ms | 32896 KB | Output is correct |
12 | Correct | 181 ms | 248776 KB | Output is correct |
13 | Correct | 1 ms | 9052 KB | Output is correct |
14 | Correct | 21 ms | 33116 KB | Output is correct |
15 | Correct | 172 ms | 248908 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 90 ms | 124676 KB | Output is correct |
2 | Correct | 74 ms | 105164 KB | Output is correct |
3 | Correct | 180 ms | 248772 KB | Output is correct |
4 | Correct | 131 ms | 181188 KB | Output is correct |
5 | Correct | 2 ms | 9048 KB | Output is correct |
6 | Correct | 2 ms | 9048 KB | Output is correct |
7 | Correct | 23 ms | 32996 KB | Output is correct |
8 | Correct | 185 ms | 248776 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 9048 KB | Output is correct |
2 | Correct | 2 ms | 9048 KB | Output is correct |
3 | Correct | 2 ms | 9052 KB | Output is correct |
4 | Correct | 2 ms | 9052 KB | Output is correct |
5 | Correct | 2 ms | 9048 KB | Output is correct |
6 | Correct | 2 ms | 9052 KB | Output is correct |
7 | Correct | 2 ms | 9052 KB | Output is correct |
8 | Correct | 2 ms | 9048 KB | Output is correct |
9 | Correct | 2 ms | 9052 KB | Output is correct |
10 | Correct | 2 ms | 9052 KB | Output is correct |
11 | Correct | 1 ms | 9052 KB | Output is correct |
12 | Correct | 2 ms | 9052 KB | Output is correct |
13 | Correct | 2 ms | 9048 KB | Output is correct |
14 | Correct | 2 ms | 9048 KB | Output is correct |
15 | Correct | 1 ms | 9052 KB | Output is correct |
16 | Correct | 1 ms | 9052 KB | Output is correct |
17 | Correct | 2 ms | 9048 KB | Output is correct |
18 | Correct | 2 ms | 9052 KB | Output is correct |
19 | Correct | 2 ms | 9064 KB | Output is correct |
20 | Correct | 17 ms | 29020 KB | Output is correct |
21 | Correct | 8 ms | 15964 KB | Output is correct |
22 | Correct | 22 ms | 32992 KB | Output is correct |
23 | Correct | 15 ms | 24444 KB | Output is correct |
24 | Correct | 11 ms | 18908 KB | Output is correct |
25 | Correct | 24 ms | 30396 KB | Output is correct |
26 | Correct | 10 ms | 19800 KB | Output is correct |
27 | Correct | 18 ms | 29532 KB | Output is correct |
28 | Correct | 22 ms | 32984 KB | Output is correct |
29 | Correct | 26 ms | 33116 KB | Output is correct |
30 | Correct | 19 ms | 33020 KB | Output is correct |
31 | Correct | 21 ms | 33104 KB | Output is correct |
32 | Correct | 20 ms | 33116 KB | Output is correct |
33 | Correct | 21 ms | 33116 KB | Output is correct |
34 | Correct | 19 ms | 33116 KB | Output is correct |
35 | Correct | 21 ms | 33112 KB | Output is correct |
36 | Correct | 20 ms | 33116 KB | Output is correct |
37 | Correct | 1 ms | 9052 KB | Output is correct |
38 | Correct | 13 ms | 24668 KB | Output is correct |
39 | Correct | 11 ms | 19804 KB | Output is correct |
40 | Correct | 17 ms | 29532 KB | Output is correct |
41 | Correct | 141 ms | 195668 KB | Output is correct |
42 | Correct | 187 ms | 248908 KB | Output is correct |
43 | Correct | 180 ms | 249112 KB | Output is correct |
44 | Correct | 1 ms | 9052 KB | Output is correct |
45 | Correct | 1 ms | 9052 KB | Output is correct |
46 | Correct | 2 ms | 8892 KB | Output is correct |
47 | Correct | 20 ms | 32896 KB | Output is correct |
48 | Correct | 181 ms | 248776 KB | Output is correct |
49 | Correct | 1 ms | 9052 KB | Output is correct |
50 | Correct | 21 ms | 33116 KB | Output is correct |
51 | Correct | 172 ms | 248908 KB | Output is correct |
52 | Correct | 90 ms | 124676 KB | Output is correct |
53 | Correct | 74 ms | 105164 KB | Output is correct |
54 | Correct | 180 ms | 248772 KB | Output is correct |
55 | Correct | 131 ms | 181188 KB | Output is correct |
56 | Correct | 2 ms | 9048 KB | Output is correct |
57 | Correct | 2 ms | 9048 KB | Output is correct |
58 | Correct | 23 ms | 32996 KB | Output is correct |
59 | Correct | 185 ms | 248776 KB | Output is correct |
60 | Correct | 153 ms | 209344 KB | Output is correct |
61 | Correct | 177 ms | 248712 KB | Output is correct |
62 | Correct | 184 ms | 249800 KB | Output is correct |
63 | Correct | 184 ms | 248868 KB | Output is correct |
64 | Correct | 182 ms | 248260 KB | Output is correct |
65 | Correct | 187 ms | 248264 KB | Output is correct |
66 | Correct | 180 ms | 248896 KB | Output is correct |
67 | Correct | 180 ms | 247948 KB | Output is correct |
68 | Correct | 185 ms | 249580 KB | Output is correct |
69 | Correct | 199 ms | 249544 KB | Output is correct |
70 | Correct | 182 ms | 248004 KB | Output is correct |
71 | Correct | 173 ms | 248028 KB | Output is correct |
72 | Correct | 185 ms | 248776 KB | Output is correct |