| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1000572 |
2024-06-17T19:56:23 Z |
arashMLG |
Trains (BOI24_trains) |
C++17 |
|
156 ms |
7764 KB |
#include<bits/stdc++.h>
#ifdef LOCAL
#include "Essentials/algo/debug.h"
#else
#define debug(...) 69
#define debugArr(...) 69
#endif
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int N = 1e5 + 23;
const int sq = 320;
const ll mod = 1e9 + 7;
const ll inf = 1e18;
#define F first
#define S second
#define pb push_back
#define kill(x) cout<<x<<endl, exit(0);
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
#define lc (v << 1)
#define rc ((v<<1) |1)
#define int ll
void ok(int &x) {
if(x < 0) x += mod*mod;
x %= mod;
}
int n;
int d[N],x[N];
int dp[N];
vector<int> vals[N];
int sum[sq][sq];
int32_t main() {
cin.tie(nullptr)->sync_with_stdio(false);
cin>>n;
for(int i = 1; i <= n ; i ++) cin>>d[i]>>x[i];
dp[1] = 1;
int ans = 0;
for(int i = 1; i <= n; i ++) {
for(int j = 1 ; j < sq; j ++) {
ok(dp[i] += sum[j][i%j]);
}
if(d[i] != 0) {
if(d[i] < sq) {
ok(sum[d[i]][i%d[i]] += dp[i]);
if(i + d[i]*x[i] <= n) {
vals[i + d[i]*x[i]].pb(i);
}
} else {
for(int j = i+d[i]; j <= n && x[i]--;j += d[i]) {
ok(dp[j] += dp[i]);
}
}
}
for(int j : vals[i]) ok(sum[d[j]][j%d[j]] -= dp[j]);
ok(ans += dp[i]);
debug(i,dp[i]);
}
cout<<ans << '\n';
return 0;
}
// Jumpsuit, Jumpsuit cover me!
// Jumpsuit, Jumpsuit cover me!
Compilation message
Main.cpp: In function 'int32_t main()':
Main.cpp:5:23: warning: statement has no effect [-Wunused-value]
5 | #define debug(...) 69
| ^~
Main.cpp:64:3: note: in expansion of macro 'debug'
64 | debug(i,dp[i]);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4532 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4444 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4532 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
13 ms |
4744 KB |
Output is correct |
| 21 |
Correct |
5 ms |
4700 KB |
Output is correct |
| 22 |
Correct |
15 ms |
4736 KB |
Output is correct |
| 23 |
Correct |
10 ms |
4664 KB |
Output is correct |
| 24 |
Correct |
7 ms |
4632 KB |
Output is correct |
| 25 |
Correct |
14 ms |
4700 KB |
Output is correct |
| 26 |
Correct |
7 ms |
4596 KB |
Output is correct |
| 27 |
Correct |
14 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
15 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
15 ms |
4644 KB |
Output is correct |
| 30 |
Correct |
15 ms |
4700 KB |
Output is correct |
| 31 |
Correct |
15 ms |
4652 KB |
Output is correct |
| 32 |
Correct |
15 ms |
4644 KB |
Output is correct |
| 33 |
Correct |
15 ms |
4844 KB |
Output is correct |
| 34 |
Correct |
16 ms |
4704 KB |
Output is correct |
| 35 |
Correct |
17 ms |
4756 KB |
Output is correct |
| 36 |
Correct |
15 ms |
4700 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 2 |
Correct |
10 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
7 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
13 ms |
4636 KB |
Output is correct |
| 5 |
Correct |
115 ms |
6992 KB |
Output is correct |
| 6 |
Correct |
142 ms |
5724 KB |
Output is correct |
| 7 |
Correct |
145 ms |
5984 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4504 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
15 ms |
4444 KB |
Output is correct |
| 12 |
Correct |
139 ms |
5760 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
13 ms |
4652 KB |
Output is correct |
| 15 |
Correct |
128 ms |
5524 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
67 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
48 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
124 ms |
5724 KB |
Output is correct |
| 4 |
Correct |
103 ms |
5212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
15 ms |
4648 KB |
Output is correct |
| 8 |
Correct |
146 ms |
5724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4532 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
13 ms |
4744 KB |
Output is correct |
| 21 |
Correct |
5 ms |
4700 KB |
Output is correct |
| 22 |
Correct |
15 ms |
4736 KB |
Output is correct |
| 23 |
Correct |
10 ms |
4664 KB |
Output is correct |
| 24 |
Correct |
7 ms |
4632 KB |
Output is correct |
| 25 |
Correct |
14 ms |
4700 KB |
Output is correct |
| 26 |
Correct |
7 ms |
4596 KB |
Output is correct |
| 27 |
Correct |
14 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
15 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
15 ms |
4644 KB |
Output is correct |
| 30 |
Correct |
15 ms |
4700 KB |
Output is correct |
| 31 |
Correct |
15 ms |
4652 KB |
Output is correct |
| 32 |
Correct |
15 ms |
4644 KB |
Output is correct |
| 33 |
Correct |
15 ms |
4844 KB |
Output is correct |
| 34 |
Correct |
16 ms |
4704 KB |
Output is correct |
| 35 |
Correct |
17 ms |
4756 KB |
Output is correct |
| 36 |
Correct |
15 ms |
4700 KB |
Output is correct |
| 37 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 38 |
Correct |
10 ms |
4444 KB |
Output is correct |
| 39 |
Correct |
7 ms |
4444 KB |
Output is correct |
| 40 |
Correct |
13 ms |
4636 KB |
Output is correct |
| 41 |
Correct |
115 ms |
6992 KB |
Output is correct |
| 42 |
Correct |
142 ms |
5724 KB |
Output is correct |
| 43 |
Correct |
145 ms |
5984 KB |
Output is correct |
| 44 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 45 |
Correct |
1 ms |
4504 KB |
Output is correct |
| 46 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 47 |
Correct |
15 ms |
4444 KB |
Output is correct |
| 48 |
Correct |
139 ms |
5760 KB |
Output is correct |
| 49 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 50 |
Correct |
13 ms |
4652 KB |
Output is correct |
| 51 |
Correct |
128 ms |
5524 KB |
Output is correct |
| 52 |
Correct |
67 ms |
4956 KB |
Output is correct |
| 53 |
Correct |
48 ms |
4700 KB |
Output is correct |
| 54 |
Correct |
124 ms |
5724 KB |
Output is correct |
| 55 |
Correct |
103 ms |
5212 KB |
Output is correct |
| 56 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 57 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 58 |
Correct |
15 ms |
4648 KB |
Output is correct |
| 59 |
Correct |
146 ms |
5724 KB |
Output is correct |
| 60 |
Correct |
120 ms |
5468 KB |
Output is correct |
| 61 |
Correct |
142 ms |
5724 KB |
Output is correct |
| 62 |
Correct |
149 ms |
7764 KB |
Output is correct |
| 63 |
Correct |
141 ms |
5968 KB |
Output is correct |
| 64 |
Correct |
145 ms |
5724 KB |
Output is correct |
| 65 |
Correct |
156 ms |
5724 KB |
Output is correct |
| 66 |
Correct |
142 ms |
5724 KB |
Output is correct |
| 67 |
Correct |
145 ms |
5932 KB |
Output is correct |
| 68 |
Correct |
144 ms |
5724 KB |
Output is correct |
| 69 |
Correct |
153 ms |
7372 KB |
Output is correct |
| 70 |
Correct |
141 ms |
5808 KB |
Output is correct |
| 71 |
Correct |
143 ms |
5720 KB |
Output is correct |
| 72 |
Correct |
142 ms |
5720 KB |
Output is correct |
