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Submission #994773

# Submission time Handle Problem Language Result Execution time Memory
994773 2024-06-08T05:32:31 Z MisalignedDiv Trains (BOI24_trains) C++14
100 / 100
 229 ms 253988 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <map>
#include <vector>
#include <cmath>
#include <algorithm>
#include <unistd.h>  
#include <cstdio>

using namespace std;

typedef long long ll;
typedef unsigned int uint;
typedef pair<ll, int> pil;
typedef vector<int> vi;
typedef long long ll;
typedef pair<ll,ll> pll;

const int SS = 1e5 + 9, MOD = 1e9 + 7,
          SQR = 319;
class Solution{
	public:
	ll N, di, xi,
	   DP[SS], seq[SS][SQR];
	vector<pll> arr = {{-1, -1}};
	ll profitProfit(){
		cin >> N;
		fill(DP, DP + SS, -1);
		memset(seq, 0, sizeof(seq));
		for (int i = 0; i < N; i++){
			cin >> di >> xi;
			arr.push_back( make_pair(di, xi) );
		}
		for (int curr = N; curr >= 1; curr--){
			auto [diff, x] = arr[curr];
			DP[curr] = 1;
			if (diff >= SQR){
				for (int child = diff + curr, t = 0; child <= N && t < x; child += diff, t++){
					DP[curr] += DP[child];
				}
				DP[curr] %= MOD;
			}
			else if (diff != 0){
				if (curr + diff <= N)            DP[curr] += seq[curr + diff][diff];
				if (curr + diff * (x + 1) <= N)  DP[curr] -= seq[curr + diff * (x + 1)][diff];
				DP[curr] = (DP[curr] % MOD + MOD) % MOD;
			}
			for (int j = 1; j < SQR; j++){
				if (curr + j <= N) seq[curr][j] = (seq[curr + j][j] + DP[curr]) % MOD;
				else               seq[curr][j] = DP[curr];
			}
		}
		return DP[1];
	}	
};


int main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	
	Solution p;
	cout << p.profitProfit();
}

Compilation message

Main.cpp: In member function 'll Solution::profitProfit()':
Main.cpp:35:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   35 |    auto [diff, x] = arr[curr];
      |         ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 250704 KB Output is correct
2 Correct 132 ms 250704 KB Output is correct
3 Correct 136 ms 250776 KB Output is correct
4 Correct 128 ms 250704 KB Output is correct
5 Correct 138 ms 250796 KB Output is correct
6 Correct 129 ms 250756 KB Output is correct
7 Correct 127 ms 250708 KB Output is correct
8 Correct 132 ms 250704 KB Output is correct
9 Correct 128 ms 250736 KB Output is correct
10 Correct 139 ms 250708 KB Output is correct
11 Correct 126 ms 250812 KB Output is correct
12 Correct 135 ms 250736 KB Output is correct
13 Correct 132 ms 250708 KB Output is correct
14 Correct 127 ms 250700 KB Output is correct
15 Correct 131 ms 250892 KB Output is correct
16 Correct 126 ms 250704 KB Output is correct
17 Correct 136 ms 250704 KB Output is correct
18 Correct 127 ms 250920 KB Output is correct
19 Correct 135 ms 250784 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 250704 KB Output is correct
2 Correct 132 ms 250704 KB Output is correct
3 Correct 136 ms 250776 KB Output is correct
4 Correct 128 ms 250704 KB Output is correct
5 Correct 138 ms 250796 KB Output is correct
6 Correct 129 ms 250756 KB Output is correct
7 Correct 127 ms 250708 KB Output is correct
8 Correct 132 ms 250704 KB Output is correct
9 Correct 128 ms 250736 KB Output is correct
10 Correct 139 ms 250708 KB Output is correct
11 Correct 126 ms 250812 KB Output is correct
12 Correct 135 ms 250736 KB Output is correct
13 Correct 132 ms 250708 KB Output is correct
14 Correct 127 ms 250700 KB Output is correct
15 Correct 131 ms 250892 KB Output is correct
16 Correct 126 ms 250704 KB Output is correct
17 Correct 136 ms 250704 KB Output is correct
18 Correct 127 ms 250920 KB Output is correct
19 Correct 135 ms 250784 KB Output is correct
20 Correct 130 ms 251220 KB Output is correct
21 Correct 135 ms 250964 KB Output is correct
22 Correct 135 ms 251220 KB Output is correct
23 Correct 136 ms 250960 KB Output is correct
24 Correct 135 ms 250956 KB Output is correct
25 Correct 135 ms 251220 KB Output is correct
26 Correct 135 ms 250968 KB Output is correct
27 Correct 133 ms 251220 KB Output is correct
28 Correct 135 ms 251328 KB Output is correct
29 Correct 139 ms 251216 KB Output is correct
30 Correct 139 ms 251220 KB Output is correct
31 Correct 140 ms 251216 KB Output is correct
32 Correct 140 ms 251216 KB Output is correct
33 Correct 143 ms 251220 KB Output is correct
34 Correct 136 ms 251220 KB Output is correct
35 Correct 146 ms 251204 KB Output is correct
36 Correct 138 ms 251220 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 250704 KB Output is correct
2 Correct 139 ms 250960 KB Output is correct
3 Correct 140 ms 250964 KB Output is correct
4 Correct 150 ms 251220 KB Output is correct
5 Correct 209 ms 253136 KB Output is correct
6 Correct 218 ms 253136 KB Output is correct
7 Correct 219 ms 253136 KB Output is correct
8 Correct 131 ms 250808 KB Output is correct
9 Correct 138 ms 250704 KB Output is correct
10 Correct 134 ms 250704 KB Output is correct
11 Correct 141 ms 251216 KB Output is correct
12 Correct 215 ms 253136 KB Output is correct
13 Correct 129 ms 250964 KB Output is correct
14 Correct 140 ms 251216 KB Output is correct
15 Correct 214 ms 253136 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 167 ms 251956 KB Output is correct
2 Correct 171 ms 252112 KB Output is correct
3 Correct 212 ms 253136 KB Output is correct
4 Correct 201 ms 252892 KB Output is correct
5 Correct 133 ms 250868 KB Output is correct
6 Correct 138 ms 250820 KB Output is correct
7 Correct 143 ms 251152 KB Output is correct
8 Correct 213 ms 253124 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 250704 KB Output is correct
2 Correct 132 ms 250704 KB Output is correct
3 Correct 136 ms 250776 KB Output is correct
4 Correct 128 ms 250704 KB Output is correct
5 Correct 138 ms 250796 KB Output is correct
6 Correct 129 ms 250756 KB Output is correct
7 Correct 127 ms 250708 KB Output is correct
8 Correct 132 ms 250704 KB Output is correct
9 Correct 128 ms 250736 KB Output is correct
10 Correct 139 ms 250708 KB Output is correct
11 Correct 126 ms 250812 KB Output is correct
12 Correct 135 ms 250736 KB Output is correct
13 Correct 132 ms 250708 KB Output is correct
14 Correct 127 ms 250700 KB Output is correct
15 Correct 131 ms 250892 KB Output is correct
16 Correct 126 ms 250704 KB Output is correct
17 Correct 136 ms 250704 KB Output is correct
18 Correct 127 ms 250920 KB Output is correct
19 Correct 135 ms 250784 KB Output is correct
20 Correct 130 ms 251220 KB Output is correct
21 Correct 135 ms 250964 KB Output is correct
22 Correct 135 ms 251220 KB Output is correct
23 Correct 136 ms 250960 KB Output is correct
24 Correct 135 ms 250956 KB Output is correct
25 Correct 135 ms 251220 KB Output is correct
26 Correct 135 ms 250968 KB Output is correct
27 Correct 133 ms 251220 KB Output is correct
28 Correct 135 ms 251328 KB Output is correct
29 Correct 139 ms 251216 KB Output is correct
30 Correct 139 ms 251220 KB Output is correct
31 Correct 140 ms 251216 KB Output is correct
32 Correct 140 ms 251216 KB Output is correct
33 Correct 143 ms 251220 KB Output is correct
34 Correct 136 ms 251220 KB Output is correct
35 Correct 146 ms 251204 KB Output is correct
36 Correct 138 ms 251220 KB Output is correct
37 Correct 137 ms 250704 KB Output is correct
38 Correct 139 ms 250960 KB Output is correct
39 Correct 140 ms 250964 KB Output is correct
40 Correct 150 ms 251220 KB Output is correct
41 Correct 209 ms 253136 KB Output is correct
42 Correct 218 ms 253136 KB Output is correct
43 Correct 219 ms 253136 KB Output is correct
44 Correct 131 ms 250808 KB Output is correct
45 Correct 138 ms 250704 KB Output is correct
46 Correct 134 ms 250704 KB Output is correct
47 Correct 141 ms 251216 KB Output is correct
48 Correct 215 ms 253136 KB Output is correct
49 Correct 129 ms 250964 KB Output is correct
50 Correct 140 ms 251216 KB Output is correct
51 Correct 214 ms 253136 KB Output is correct
52 Correct 167 ms 251956 KB Output is correct
53 Correct 171 ms 252112 KB Output is correct
54 Correct 212 ms 253136 KB Output is correct
55 Correct 201 ms 252892 KB Output is correct
56 Correct 133 ms 250868 KB Output is correct
57 Correct 138 ms 250820 KB Output is correct
58 Correct 143 ms 251152 KB Output is correct
59 Correct 213 ms 253124 KB Output is correct
60 Correct 208 ms 253136 KB Output is correct
61 Correct 212 ms 253988 KB Output is correct
62 Correct 212 ms 253136 KB Output is correct
63 Correct 223 ms 253132 KB Output is correct
64 Correct 212 ms 253136 KB Output is correct
65 Correct 217 ms 252948 KB Output is correct
66 Correct 222 ms 252984 KB Output is correct
67 Correct 222 ms 253136 KB Output is correct
68 Correct 217 ms 253136 KB Output is correct
69 Correct 229 ms 253060 KB Output is correct
70 Correct 218 ms 253004 KB Output is correct
71 Correct 215 ms 253136 KB Output is correct
72 Correct 220 ms 253136 KB Output is correct