# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1008825 | 2024-06-26T21:38:36 Z | Math4Life2020 | September (APIO24_september) | C++17 | 102 ms | 14772 KB |
// Source: https://usaco.guide/general/io #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<ll,ll>; using lll = __int128; const lll p1 = 144403552893599; const lll a1 = 981372590237; const lll p2 = 270969106631203; const lll a2 = 898374183250; int solve(int N, int M, vector<int> F, vector<vector<int>> S1) { vector<vector<int>> S = S1; for (ll i=0;i<M;i++) { S[i].push_back(0); } vector<lll> hsh1,hsh2; for (ll i=0;i<M;i++) { hsh1.push_back(1); hsh2.push_back(1); } vector<ll> stops; stops.push_back(0); for (ll i=0;i<N;i++) { for (ll j=0;j<M;j++) { hsh1[j]=(hsh1[j]*(a1+S[j][i]))%p1; hsh2[j]=(hsh2[j]*(a2+S[j][i]))%p2; } bool split = true; for (ll j=0;j<M;j++) { split = split && (hsh1[j]==hsh1[0]) && (hsh2[j]==hsh2[0]); } if (split) { stops.push_back(i+1); for (ll j=0;j<M;j++) { hsh1[j]=1; hsh2[j]=1; } } } //cout << "nstops: "<<stops.size()-1<<"\n"; ll kv[N]; ll kind = 0; ll delactive[N]; for (ll i=0;i<N;i++) { delactive[i]=0; if (stops[kind+1]<=i) { kind++; } kv[S[0][i]]=kind; } for (ll i=1;i<N;i++) { ll x = kv[i]; ll y = kv[F[i]]; //y: parent of x -> if y before x (y<x), then issues if (y<x) { delactive[y]++; delactive[x]--; //cout << "+ at "<<y<<", - at "<<x<<"\n"; } } ll nact = 0; ll ans = 0; for (ll i=0;i<(stops.size()-1);i++) { nact += delactive[i]; if (nact == 0) { ans++; } } return (ans-1); }
Compilation message
# | 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 | 1 ms | 348 KB | Output is correct |
7 | 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 | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 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 | 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 |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 348 KB | Output is correct |
2 | Correct | 0 ms | 348 KB | Output is correct |
3 | Correct | 0 ms | 468 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 | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 1 ms | 348 KB | Output is correct |
9 | Correct | 0 ms | 348 KB | Output is correct |
10 | Correct | 0 ms | 468 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 | 1 ms | 360 KB | Output is correct |
17 | Correct | 1 ms | 348 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 348 KB | Output is correct |
2 | Correct | 0 ms | 348 KB | Output is correct |
3 | Correct | 0 ms | 468 KB | Output is correct |
4 | Correct | 1 ms | 532 KB | Output is correct |
5 | Correct | 1 ms | 604 KB | Output is correct |
6 | Correct | 1 ms | 604 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 | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 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 | 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 | 1 ms | 348 KB | Output is correct |
16 | Correct | 0 ms | 348 KB | Output is correct |
17 | Correct | 0 ms | 468 KB | Output is correct |
18 | Correct | 0 ms | 348 KB | Output is correct |
19 | Correct | 0 ms | 348 KB | Output is correct |
20 | Correct | 0 ms | 348 KB | Output is correct |
21 | Correct | 0 ms | 348 KB | Output is correct |
22 | Correct | 0 ms | 348 KB | Output is correct |
23 | Correct | 1 ms | 360 KB | Output is correct |
24 | Correct | 1 ms | 348 KB | Output is correct |
25 | Correct | 1 ms | 532 KB | Output is correct |
26 | Correct | 1 ms | 604 KB | Output is correct |
27 | Correct | 1 ms | 604 KB | Output is correct |
28 | Correct | 1 ms | 604 KB | Output is correct |
29 | Correct | 1 ms | 604 KB | Output is correct |
30 | Correct | 1 ms | 604 KB | Output is correct |
31 | Correct | 1 ms | 604 KB | Output is correct |
32 | Correct | 1 ms | 544 KB | Output is correct |
33 | Correct | 1 ms | 600 KB | Output is correct |
34 | Correct | 1 ms | 604 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 348 KB | Output is correct |
2 | Correct | 0 ms | 348 KB | Output is correct |
3 | Correct | 0 ms | 468 KB | Output is correct |
4 | Correct | 95 ms | 12904 KB | Output is correct |
5 | Correct | 100 ms | 12908 KB | Output is correct |
6 | Correct | 94 ms | 12916 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 | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 1 ms | 348 KB | Output is correct |
9 | Correct | 0 ms | 348 KB | Output is correct |
10 | Correct | 0 ms | 468 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 | 1 ms | 360 KB | Output is correct |
17 | Correct | 1 ms | 348 KB | Output is correct |
18 | Correct | 95 ms | 12904 KB | Output is correct |
19 | Correct | 100 ms | 12908 KB | Output is correct |
20 | Correct | 94 ms | 12916 KB | Output is correct |
21 | Correct | 96 ms | 12728 KB | Output is correct |
22 | Correct | 94 ms | 12640 KB | Output is correct |
23 | Correct | 98 ms | 12968 KB | Output is correct |
24 | Correct | 93 ms | 12916 KB | Output is correct |
25 | Correct | 102 ms | 12644 KB | Output is correct |
26 | Correct | 95 ms | 12644 KB | Output is correct |
27 | Correct | 94 ms | 12896 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 348 KB | Output is correct |
2 | Correct | 0 ms | 348 KB | Output is correct |
3 | Correct | 0 ms | 468 KB | Output is correct |
4 | Correct | 1 ms | 532 KB | Output is correct |
5 | Correct | 1 ms | 604 KB | Output is correct |
6 | Correct | 1 ms | 604 KB | Output is correct |
7 | Correct | 95 ms | 12904 KB | Output is correct |
8 | Correct | 100 ms | 12908 KB | Output is correct |
9 | Correct | 94 ms | 12916 KB | Output is correct |
10 | Correct | 67 ms | 14668 KB | Output is correct |
11 | Correct | 58 ms | 14772 KB | Output is correct |
12 | Correct | 60 ms | 14688 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 | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 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 | 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 | 1 ms | 348 KB | Output is correct |
16 | Correct | 0 ms | 348 KB | Output is correct |
17 | Correct | 0 ms | 468 KB | Output is correct |
18 | Correct | 0 ms | 348 KB | Output is correct |
19 | Correct | 0 ms | 348 KB | Output is correct |
20 | Correct | 0 ms | 348 KB | Output is correct |
21 | Correct | 0 ms | 348 KB | Output is correct |
22 | Correct | 0 ms | 348 KB | Output is correct |
23 | Correct | 1 ms | 360 KB | Output is correct |
24 | Correct | 1 ms | 348 KB | Output is correct |
25 | Correct | 1 ms | 532 KB | Output is correct |
26 | Correct | 1 ms | 604 KB | Output is correct |
27 | Correct | 1 ms | 604 KB | Output is correct |
28 | Correct | 1 ms | 604 KB | Output is correct |
29 | Correct | 1 ms | 604 KB | Output is correct |
30 | Correct | 1 ms | 604 KB | Output is correct |
31 | Correct | 1 ms | 604 KB | Output is correct |
32 | Correct | 1 ms | 544 KB | Output is correct |
33 | Correct | 1 ms | 600 KB | Output is correct |
34 | Correct | 1 ms | 604 KB | Output is correct |
35 | Correct | 95 ms | 12904 KB | Output is correct |
36 | Correct | 100 ms | 12908 KB | Output is correct |
37 | Correct | 94 ms | 12916 KB | Output is correct |
38 | Correct | 96 ms | 12728 KB | Output is correct |
39 | Correct | 94 ms | 12640 KB | Output is correct |
40 | Correct | 98 ms | 12968 KB | Output is correct |
41 | Correct | 93 ms | 12916 KB | Output is correct |
42 | Correct | 102 ms | 12644 KB | Output is correct |
43 | Correct | 95 ms | 12644 KB | Output is correct |
44 | Correct | 94 ms | 12896 KB | Output is correct |
45 | Correct | 67 ms | 14668 KB | Output is correct |
46 | Correct | 58 ms | 14772 KB | Output is correct |
47 | Correct | 60 ms | 14688 KB | Output is correct |
48 | Correct | 58 ms | 13876 KB | Output is correct |
49 | Correct | 59 ms | 14412 KB | Output is correct |
50 | Correct | 59 ms | 14008 KB | Output is correct |
51 | Correct | 60 ms | 14024 KB | Output is correct |
52 | Correct | 59 ms | 14400 KB | Output is correct |
53 | Correct | 58 ms | 14724 KB | Output is correct |
54 | Correct | 60 ms | 14656 KB | Output is correct |