Submission #1052914

# Submission time Handle Problem Language Result Execution time Memory
1052914 2024-08-11T05:54:33 Z vjudge1 Trains (BOI24_trains) C++17
71 / 100
2000 ms 12180 KB
/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/

#include <iostream>
#include <map>
using namespace std;
#define int long long
int const mod=1e9+7;
inline void solve()
{
	int n;
	cin>>n;
	int d[n],x[n];
	for (int i=0;i<n;i++)
		cin>>d[i]>>x[i];
	int ans[n]={};
	map<int,int>val[n]={};
	ans[0]=1;
	for (int i=0;i<n;i++)
	{
		for (auto& j:val[i])
		{
			j.second%=mod;
			ans[i]+=j.second;
			ans[i]%=mod;
		}
		if (d[i]&&x[i]&&i+d[i]<n)
		{
			val[i+d[i]][d[i]]+=ans[i];
			if (i+d[i]*x[i]+d[i]<n)
			{
				val[i+d[i]*x[i]+d[i]][d[i]]+=(mod-ans[i]);
				val[i+d[i]*x[i]+d[i]][d[i]]%=mod;
			}
		}
		for (auto j:val[i])
		{
			if (i+j.first<n)
			{
				val[i+j.first][j.first]+=j.second;
				val[i+j.first][j.first]%=mod;
			}
		}
		val[i]={};
	}
	int z=0;
	for (auto i:ans)
		z=(z+i)%mod;
	cout<<z<<endl;
}	
signed main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 8 ms 1116 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 22 ms 1616 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 38 ms 1116 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 1 ms 1116 KB Output is correct
30 Correct 6 ms 1372 KB Output is correct
31 Correct 1 ms 1152 KB Output is correct
32 Correct 1 ms 1116 KB Output is correct
33 Correct 50 ms 1448 KB Output is correct
34 Correct 4 ms 1368 KB Output is correct
35 Correct 4 ms 1372 KB Output is correct
36 Correct 48 ms 1372 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 10 ms 5892 KB Output is correct
6 Correct 13 ms 7260 KB Output is correct
7 Correct 14 ms 8028 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 15 ms 7260 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 1116 KB Output is correct
15 Correct 14 ms 7260 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 19 ms 3928 KB Output is correct
2 Correct 16 ms 3160 KB Output is correct
3 Correct 17 ms 7396 KB Output is correct
4 Correct 17 ms 5496 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 2 ms 1116 KB Output is correct
8 Correct 14 ms 7400 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 8 ms 1116 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 22 ms 1616 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 38 ms 1116 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 1 ms 1116 KB Output is correct
30 Correct 6 ms 1372 KB Output is correct
31 Correct 1 ms 1152 KB Output is correct
32 Correct 1 ms 1116 KB Output is correct
33 Correct 50 ms 1448 KB Output is correct
34 Correct 4 ms 1368 KB Output is correct
35 Correct 4 ms 1372 KB Output is correct
36 Correct 48 ms 1372 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 1 ms 860 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 860 KB Output is correct
41 Correct 10 ms 5892 KB Output is correct
42 Correct 13 ms 7260 KB Output is correct
43 Correct 14 ms 8028 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 1116 KB Output is correct
48 Correct 15 ms 7260 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 2 ms 1116 KB Output is correct
51 Correct 14 ms 7260 KB Output is correct
52 Correct 19 ms 3928 KB Output is correct
53 Correct 16 ms 3160 KB Output is correct
54 Correct 17 ms 7396 KB Output is correct
55 Correct 17 ms 5496 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 2 ms 1116 KB Output is correct
59 Correct 14 ms 7400 KB Output is correct
60 Correct 156 ms 6412 KB Output is correct
61 Correct 19 ms 7256 KB Output is correct
62 Correct 63 ms 7516 KB Output is correct
63 Correct 21 ms 7256 KB Output is correct
64 Correct 14 ms 7260 KB Output is correct
65 Execution timed out 2071 ms 12180 KB Time limit exceeded
66 Halted 0 ms 0 KB -