#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];
| ^
# |
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 |
# |
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 |
# |
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 |
# |
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 |
# |
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 |