Submission #1052919

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1052919	2024-08-11T05:58:06 Z	vjudge1	Trains (BOI24_trains)	C++17	71 / 100	2000 ms	12200 KB

Main

/*
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])
		{
			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&&j.second!=0)
			{
				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();
}

Subtask #1
8.0 / 8.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct

Subtask #2
13.0 / 13.0

#	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	348 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	1 ms	604 KB	Output is correct
22	Correct	15 ms	1628 KB	Output is correct
23	Correct	1 ms	804 KB	Output is correct
24	Correct	1 ms	860 KB	Output is correct
25	Correct	34 ms	1268 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	856 KB	Output is correct
28	Correct	2 ms	1116 KB	Output is correct
29	Correct	2 ms	1116 KB	Output is correct
30	Correct	7 ms	1372 KB	Output is correct
31	Correct	2 ms	1116 KB	Output is correct
32	Correct	1 ms	1116 KB	Output is correct
33	Correct	32 ms	1368 KB	Output is correct
34	Correct	2 ms	1112 KB	Output is correct
35	Correct	1 ms	1116 KB	Output is correct
36	Correct	48 ms	1364 KB	Output is correct

Subtask #3
16.0 / 16.0

#	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	9 ms	5724 KB	Output is correct
6	Correct	15 ms	7256 KB	Output is correct
7	Correct	13 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	16 ms	7392 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	1112 KB	Output is correct
15	Correct	14 ms	7392 KB	Output is correct

Subtask #4
34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	3844 KB	Output is correct
2	Correct	16 ms	3124 KB	Output is correct
3	Correct	19 ms	7256 KB	Output is correct
4	Correct	17 ms	5496 KB	Output is correct
5	Correct	0 ms	600 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	14 ms	7260 KB	Output is correct

Subtask #5
0 / 29.0

#	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	348 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	1 ms	604 KB	Output is correct
22	Correct	15 ms	1628 KB	Output is correct
23	Correct	1 ms	804 KB	Output is correct
24	Correct	1 ms	860 KB	Output is correct
25	Correct	34 ms	1268 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	856 KB	Output is correct
28	Correct	2 ms	1116 KB	Output is correct
29	Correct	2 ms	1116 KB	Output is correct
30	Correct	7 ms	1372 KB	Output is correct
31	Correct	2 ms	1116 KB	Output is correct
32	Correct	1 ms	1116 KB	Output is correct
33	Correct	32 ms	1368 KB	Output is correct
34	Correct	2 ms	1112 KB	Output is correct
35	Correct	1 ms	1116 KB	Output is correct
36	Correct	48 ms	1364 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	9 ms	5724 KB	Output is correct
42	Correct	15 ms	7256 KB	Output is correct
43	Correct	13 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	16 ms	7392 KB	Output is correct
49	Correct	0 ms	344 KB	Output is correct
50	Correct	1 ms	1112 KB	Output is correct
51	Correct	14 ms	7392 KB	Output is correct
52	Correct	23 ms	3844 KB	Output is correct
53	Correct	16 ms	3124 KB	Output is correct
54	Correct	19 ms	7256 KB	Output is correct
55	Correct	17 ms	5496 KB	Output is correct
56	Correct	0 ms	600 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	1 ms	1116 KB	Output is correct
59	Correct	14 ms	7260 KB	Output is correct
60	Correct	154 ms	6404 KB	Output is correct
61	Correct	19 ms	7260 KB	Output is correct
62	Correct	54 ms	7724 KB	Output is correct
63	Correct	18 ms	7256 KB	Output is correct
64	Correct	14 ms	7388 KB	Output is correct
65	Execution timed out	2078 ms	12200 KB	Time limit exceeded
66	Halted	0 ms	0 KB	-

Submission #1052919

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 13.0 / 13.0

Subtask #3 16.0 / 16.0

Subtask #4 34.0 / 34.0

Subtask #5 0 / 29.0

Subtask #1
8.0 / 8.0

Subtask #2
13.0 / 13.0

Subtask #3
16.0 / 16.0

Subtask #4
34.0 / 34.0

Subtask #5
0 / 29.0