# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
994761 | 2024-06-08T04:59:38 Z | salmon | Trains (BOI24_trains) | C++14 | 2000 ms | 662364 KB |
#include <bits/stdc++.h> using namespace std; vector<int> v; map<int,long long int> mep[100100]; vector<int> rebove[100100]; int N; int d,x; vector<pair<int,int>> iv; long long int num[100100]; long long int mod = 1'000'000'007; int main(){ scanf(" %d",&N); for(int i = 0; i < N; i++){ scanf(" %d",&d); scanf(" %d",&x); iv.push_back({d,x}); num[i] = 0; if(d != 0)rebove[(long long int)min((long long int)N,i + (long long int)d * x)].push_back(i); } /*for(int i = 0; i < N; i++){ if(iv[i].first != 0){ d = iv[i].first; x = iv[i].second; for(int j = 1; j <= x && j * d + i < N; j++){ sat[j * d + i].insert(d); if(iv[j * d + i].first == d){ x = max(x,j + iv[j * d + i].second); iv[j * d + i] = {0,0}; } } } }*/ num[0] = 1; long long int sum = 0; for(int i = 0; i < N; i++){ num[i] %= mod; if(iv[i].first != 0){ mep[min(N,i + iv[i].first)][iv[i].first] += num[i]; num[min(N,i + iv[i].first)] += num[i]; } for(int j : rebove[i]){ mep[i][iv[j].first] = (mep[i][iv[j].first] - num[j]) % mod; } for(pair<int,long long int> j : mep[i]){ if(j.second == 0) continue; mep[min(N,i + j.first)][j.first] += j.second; num[min(N,i + j.first)] += j.second; } sum = (sum + num[i]) % mod; //printf("%lld\n",num[i]); } printf("%lld",(sum + mod) % mod); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 8028 KB | Output is correct |
2 | Correct | 2 ms | 8028 KB | Output is correct |
3 | Correct | 2 ms | 8028 KB | Output is correct |
4 | Correct | 2 ms | 8028 KB | Output is correct |
5 | Correct | 2 ms | 8028 KB | Output is correct |
6 | Correct | 2 ms | 8028 KB | Output is correct |
7 | Correct | 2 ms | 8028 KB | Output is correct |
8 | Correct | 2 ms | 8028 KB | Output is correct |
9 | Correct | 2 ms | 8092 KB | Output is correct |
10 | Correct | 1 ms | 8028 KB | Output is correct |
11 | Correct | 2 ms | 8024 KB | Output is correct |
12 | Correct | 2 ms | 8024 KB | Output is correct |
13 | Correct | 2 ms | 8024 KB | Output is correct |
14 | Correct | 1 ms | 8028 KB | Output is correct |
15 | Correct | 2 ms | 8028 KB | Output is correct |
16 | Correct | 1 ms | 8028 KB | Output is correct |
17 | Correct | 1 ms | 8028 KB | Output is correct |
18 | Correct | 2 ms | 8024 KB | Output is correct |
19 | Correct | 2 ms | 8028 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 8028 KB | Output is correct |
2 | Correct | 2 ms | 8028 KB | Output is correct |
3 | Correct | 2 ms | 8028 KB | Output is correct |
4 | Correct | 2 ms | 8028 KB | Output is correct |
5 | Correct | 2 ms | 8028 KB | Output is correct |
6 | Correct | 2 ms | 8028 KB | Output is correct |
7 | Correct | 2 ms | 8028 KB | Output is correct |
8 | Correct | 2 ms | 8028 KB | Output is correct |
9 | Correct | 2 ms | 8092 KB | Output is correct |
10 | Correct | 1 ms | 8028 KB | Output is correct |
11 | Correct | 2 ms | 8024 KB | Output is correct |
12 | Correct | 2 ms | 8024 KB | Output is correct |
13 | Correct | 2 ms | 8024 KB | Output is correct |
14 | Correct | 1 ms | 8028 KB | Output is correct |
15 | Correct | 2 ms | 8028 KB | Output is correct |
16 | Correct | 1 ms | 8028 KB | Output is correct |
17 | Correct | 1 ms | 8028 KB | Output is correct |
18 | Correct | 2 ms | 8024 KB | Output is correct |
19 | Correct | 2 ms | 8028 KB | Output is correct |
20 | Correct | 18 ms | 18780 KB | Output is correct |
21 | Correct | 3 ms | 8540 KB | Output is correct |
22 | Correct | 29 ms | 20564 KB | Output is correct |
23 | Correct | 3 ms | 8540 KB | Output is correct |
24 | Correct | 4 ms | 9052 KB | Output is correct |
25 | Correct | 69 ms | 39080 KB | Output is correct |
26 | Correct | 3 ms | 8280 KB | Output is correct |
27 | Correct | 4 ms | 8796 KB | Output is correct |
28 | Correct | 3 ms | 8796 KB | Output is correct |
29 | Correct | 3 ms | 8796 KB | Output is correct |
30 | Correct | 18 ms | 14116 KB | Output is correct |
31 | Correct | 4 ms | 8536 KB | Output is correct |
32 | Correct | 4 ms | 8880 KB | Output is correct |
33 | Correct | 43 ms | 28748 KB | Output is correct |
34 | Correct | 5 ms | 8796 KB | Output is correct |
35 | Correct | 4 ms | 8796 KB | Output is correct |
36 | Correct | 73 ms | 44572 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 8024 KB | Output is correct |
2 | Correct | 3 ms | 8540 KB | Output is correct |
3 | Correct | 3 ms | 8284 KB | Output is correct |
4 | Correct | 3 ms | 8796 KB | Output is correct |
5 | Correct | 19 ms | 15112 KB | Output is correct |
6 | Correct | 22 ms | 15620 KB | Output is correct |
7 | Correct | 22 ms | 15820 KB | Output is correct |
8 | Correct | 2 ms | 8028 KB | Output is correct |
9 | Correct | 2 ms | 8024 KB | Output is correct |
10 | Correct | 2 ms | 8028 KB | Output is correct |
11 | Correct | 4 ms | 8796 KB | Output is correct |
12 | Correct | 22 ms | 15636 KB | Output is correct |
13 | Correct | 2 ms | 8028 KB | Output is correct |
14 | Correct | 4 ms | 8948 KB | Output is correct |
15 | Correct | 21 ms | 15568 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 52 ms | 38868 KB | Output is correct |
2 | Correct | 40 ms | 33736 KB | Output is correct |
3 | Correct | 29 ms | 21968 KB | Output is correct |
4 | Correct | 35 ms | 31420 KB | Output is correct |
5 | Correct | 2 ms | 8024 KB | Output is correct |
6 | Correct | 2 ms | 7980 KB | Output is correct |
7 | Correct | 3 ms | 8796 KB | Output is correct |
8 | Correct | 21 ms | 15676 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 8028 KB | Output is correct |
2 | Correct | 2 ms | 8028 KB | Output is correct |
3 | Correct | 2 ms | 8028 KB | Output is correct |
4 | Correct | 2 ms | 8028 KB | Output is correct |
5 | Correct | 2 ms | 8028 KB | Output is correct |
6 | Correct | 2 ms | 8028 KB | Output is correct |
7 | Correct | 2 ms | 8028 KB | Output is correct |
8 | Correct | 2 ms | 8028 KB | Output is correct |
9 | Correct | 2 ms | 8092 KB | Output is correct |
10 | Correct | 1 ms | 8028 KB | Output is correct |
11 | Correct | 2 ms | 8024 KB | Output is correct |
12 | Correct | 2 ms | 8024 KB | Output is correct |
13 | Correct | 2 ms | 8024 KB | Output is correct |
14 | Correct | 1 ms | 8028 KB | Output is correct |
15 | Correct | 2 ms | 8028 KB | Output is correct |
16 | Correct | 1 ms | 8028 KB | Output is correct |
17 | Correct | 1 ms | 8028 KB | Output is correct |
18 | Correct | 2 ms | 8024 KB | Output is correct |
19 | Correct | 2 ms | 8028 KB | Output is correct |
20 | Correct | 18 ms | 18780 KB | Output is correct |
21 | Correct | 3 ms | 8540 KB | Output is correct |
22 | Correct | 29 ms | 20564 KB | Output is correct |
23 | Correct | 3 ms | 8540 KB | Output is correct |
24 | Correct | 4 ms | 9052 KB | Output is correct |
25 | Correct | 69 ms | 39080 KB | Output is correct |
26 | Correct | 3 ms | 8280 KB | Output is correct |
27 | Correct | 4 ms | 8796 KB | Output is correct |
28 | Correct | 3 ms | 8796 KB | Output is correct |
29 | Correct | 3 ms | 8796 KB | Output is correct |
30 | Correct | 18 ms | 14116 KB | Output is correct |
31 | Correct | 4 ms | 8536 KB | Output is correct |
32 | Correct | 4 ms | 8880 KB | Output is correct |
33 | Correct | 43 ms | 28748 KB | Output is correct |
34 | Correct | 5 ms | 8796 KB | Output is correct |
35 | Correct | 4 ms | 8796 KB | Output is correct |
36 | Correct | 73 ms | 44572 KB | Output is correct |
37 | Correct | 2 ms | 8024 KB | Output is correct |
38 | Correct | 3 ms | 8540 KB | Output is correct |
39 | Correct | 3 ms | 8284 KB | Output is correct |
40 | Correct | 3 ms | 8796 KB | Output is correct |
41 | Correct | 19 ms | 15112 KB | Output is correct |
42 | Correct | 22 ms | 15620 KB | Output is correct |
43 | Correct | 22 ms | 15820 KB | Output is correct |
44 | Correct | 2 ms | 8028 KB | Output is correct |
45 | Correct | 2 ms | 8024 KB | Output is correct |
46 | Correct | 2 ms | 8028 KB | Output is correct |
47 | Correct | 4 ms | 8796 KB | Output is correct |
48 | Correct | 22 ms | 15636 KB | Output is correct |
49 | Correct | 2 ms | 8028 KB | Output is correct |
50 | Correct | 4 ms | 8948 KB | Output is correct |
51 | Correct | 21 ms | 15568 KB | Output is correct |
52 | Correct | 52 ms | 38868 KB | Output is correct |
53 | Correct | 40 ms | 33736 KB | Output is correct |
54 | Correct | 29 ms | 21968 KB | Output is correct |
55 | Correct | 35 ms | 31420 KB | Output is correct |
56 | Correct | 2 ms | 8024 KB | Output is correct |
57 | Correct | 2 ms | 7980 KB | Output is correct |
58 | Correct | 3 ms | 8796 KB | Output is correct |
59 | Correct | 21 ms | 15676 KB | Output is correct |
60 | Correct | 316 ms | 215696 KB | Output is correct |
61 | Correct | 34 ms | 28104 KB | Output is correct |
62 | Correct | 113 ms | 73416 KB | Output is correct |
63 | Correct | 36 ms | 28100 KB | Output is correct |
64 | Correct | 48 ms | 15504 KB | Output is correct |
65 | Execution timed out | 2063 ms | 662364 KB | Time limit exceeded |
66 | Halted | 0 ms | 0 KB | - |