# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
95063 | 2019-01-27T07:34:43 Z | ckodser | Bitaro’s Party (JOI18_bitaro) | C++14 | 1140 ms | 420004 KB |
#include<bits/stdc++.h> #define pb push_back #define x first #define y second using namespace std; const int N = 100745, SQ = 300; int n, m, q, dp[N], M[N], mark[N]; vector < int > in[N], out[N]; vector < pair < int , int > > best[N]; inline int Brute(int v, vector < int > vec) { memset(M, 0, sizeof(M)); memset(dp, -63, sizeof(dp)); dp[v] = 0; for (int i = v - 1; i; i--) for (int &u : out[i]) if (u <= v) dp[i] = max(dp[i], dp[u] + 1); for (int u : vec) M[u] = 1; int Mx = -1; for (int i = 1; i <= v; i++) if (M[i] == 0) Mx = max(Mx, dp[i]); return (Mx); } int main() { scanf("%d%d%d", &n, &m, &q); for (int i = 1; i <= m; i++) { int v, u; scanf("%d%d", &v, &u); out[v].pb(u); in[u].pb(v); } for (int v = 1; v <= n; v++) { in[v].pb(0); best[0] = {{-1, v}}; int d = (int)in[v].size(); vector < int > ptr(d, 0); while ((int)best[v].size() < SQ) { int id = -1; pair < int , int > Mx = {-1, -1}; for (int i = 0; i < d; i++) { int &u = in[v][i]; if (ptr[i] == (int)best[u].size()) continue; if (Mx.first < best[u][ptr[i]].first + 1) { Mx = best[u][ptr[i]]; Mx.first ++; id = i; } } if (id == -1) break; ptr[id] ++; best[v].pb(Mx); } } for (int ts = 1; ts <= q; ts ++) { int v, len; vector < int > vec; scanf("%d%d", &v, &len); vec.resize(len); for (int i = 0; i < len; i++) { scanf("%d", &vec[i]); mark[vec[i]] = ts; } if (vec.size() >= SQ - 10) { printf("%d\n", Brute(v, vec)); continue; } int Mx = -1; for (auto X : best[v]) if (mark[X.second] < ts) Mx = max(Mx, X.first); printf("%d\n", Mx); } return 0; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 7 ms | 7396 KB | Output is correct |
2 | Correct | 7 ms | 7416 KB | Output is correct |
3 | Correct | 7 ms | 7388 KB | Output is correct |
4 | Correct | 7 ms | 7416 KB | Output is correct |
5 | Correct | 13 ms | 10744 KB | Output is correct |
6 | Correct | 14 ms | 10332 KB | Output is correct |
7 | Correct | 14 ms | 10360 KB | Output is correct |
8 | Correct | 16 ms | 12280 KB | Output is correct |
9 | Correct | 15 ms | 12280 KB | Output is correct |
10 | Correct | 14 ms | 12280 KB | Output is correct |
11 | Correct | 15 ms | 12024 KB | Output is correct |
12 | Correct | 12 ms | 11000 KB | Output is correct |
13 | Correct | 14 ms | 12152 KB | Output is correct |
14 | Correct | 12 ms | 10360 KB | Output is correct |
15 | Correct | 11 ms | 9336 KB | Output is correct |
16 | Correct | 13 ms | 10232 KB | Output is correct |
17 | Correct | 15 ms | 11256 KB | Output is correct |
18 | Correct | 13 ms | 9976 KB | Output is correct |
19 | Correct | 15 ms | 11256 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 7 ms | 7396 KB | Output is correct |
2 | Correct | 7 ms | 7416 KB | Output is correct |
3 | Correct | 7 ms | 7388 KB | Output is correct |
4 | Correct | 7 ms | 7416 KB | Output is correct |
5 | Correct | 13 ms | 10744 KB | Output is correct |
6 | Correct | 14 ms | 10332 KB | Output is correct |
7 | Correct | 14 ms | 10360 KB | Output is correct |
8 | Correct | 16 ms | 12280 KB | Output is correct |
9 | Correct | 15 ms | 12280 KB | Output is correct |
10 | Correct | 14 ms | 12280 KB | Output is correct |
11 | Correct | 15 ms | 12024 KB | Output is correct |
12 | Correct | 12 ms | 11000 KB | Output is correct |
13 | Correct | 14 ms | 12152 KB | Output is correct |
14 | Correct | 12 ms | 10360 KB | Output is correct |
15 | Correct | 11 ms | 9336 KB | Output is correct |
16 | Correct | 13 ms | 10232 KB | Output is correct |
17 | Correct | 15 ms | 11256 KB | Output is correct |
18 | Correct | 13 ms | 9976 KB | Output is correct |
19 | Correct | 15 ms | 11256 KB | Output is correct |
20 | Correct | 172 ms | 14616 KB | Output is correct |
21 | Correct | 167 ms | 14676 KB | Output is correct |
22 | Correct | 172 ms | 14584 KB | Output is correct |
23 | Correct | 191 ms | 14584 KB | Output is correct |
24 | Correct | 924 ms | 329256 KB | Output is correct |
25 | Correct | 896 ms | 329336 KB | Output is correct |
26 | Correct | 827 ms | 329352 KB | Output is correct |
27 | Correct | 917 ms | 419356 KB | Output is correct |
28 | Correct | 918 ms | 420004 KB | Output is correct |
29 | Correct | 902 ms | 419832 KB | Output is correct |
30 | Correct | 901 ms | 419016 KB | Output is correct |
31 | Correct | 898 ms | 408952 KB | Output is correct |
32 | Correct | 902 ms | 418940 KB | Output is correct |
33 | Correct | 660 ms | 261676 KB | Output is correct |
34 | Correct | 603 ms | 215416 KB | Output is correct |
35 | Correct | 676 ms | 259596 KB | Output is correct |
36 | Correct | 851 ms | 343288 KB | Output is correct |
37 | Correct | 861 ms | 315680 KB | Output is correct |
38 | Correct | 806 ms | 343540 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 7 ms | 7396 KB | Output is correct |
2 | Correct | 7 ms | 7416 KB | Output is correct |
3 | Correct | 7 ms | 7388 KB | Output is correct |
4 | Correct | 7 ms | 7416 KB | Output is correct |
5 | Correct | 13 ms | 10744 KB | Output is correct |
6 | Correct | 14 ms | 10332 KB | Output is correct |
7 | Correct | 14 ms | 10360 KB | Output is correct |
8 | Correct | 16 ms | 12280 KB | Output is correct |
9 | Correct | 15 ms | 12280 KB | Output is correct |
10 | Correct | 14 ms | 12280 KB | Output is correct |
11 | Correct | 15 ms | 12024 KB | Output is correct |
12 | Correct | 12 ms | 11000 KB | Output is correct |
13 | Correct | 14 ms | 12152 KB | Output is correct |
14 | Correct | 12 ms | 10360 KB | Output is correct |
15 | Correct | 11 ms | 9336 KB | Output is correct |
16 | Correct | 13 ms | 10232 KB | Output is correct |
17 | Correct | 15 ms | 11256 KB | Output is correct |
18 | Correct | 13 ms | 9976 KB | Output is correct |
19 | Correct | 15 ms | 11256 KB | Output is correct |
20 | Correct | 172 ms | 14616 KB | Output is correct |
21 | Correct | 167 ms | 14676 KB | Output is correct |
22 | Correct | 172 ms | 14584 KB | Output is correct |
23 | Correct | 191 ms | 14584 KB | Output is correct |
24 | Correct | 924 ms | 329256 KB | Output is correct |
25 | Correct | 896 ms | 329336 KB | Output is correct |
26 | Correct | 827 ms | 329352 KB | Output is correct |
27 | Correct | 917 ms | 419356 KB | Output is correct |
28 | Correct | 918 ms | 420004 KB | Output is correct |
29 | Correct | 902 ms | 419832 KB | Output is correct |
30 | Correct | 901 ms | 419016 KB | Output is correct |
31 | Correct | 898 ms | 408952 KB | Output is correct |
32 | Correct | 902 ms | 418940 KB | Output is correct |
33 | Correct | 660 ms | 261676 KB | Output is correct |
34 | Correct | 603 ms | 215416 KB | Output is correct |
35 | Correct | 676 ms | 259596 KB | Output is correct |
36 | Correct | 851 ms | 343288 KB | Output is correct |
37 | Correct | 861 ms | 315680 KB | Output is correct |
38 | Correct | 806 ms | 343540 KB | Output is correct |
39 | Correct | 1140 ms | 323288 KB | Output is correct |
40 | Correct | 870 ms | 327032 KB | Output is correct |
41 | Correct | 862 ms | 326860 KB | Output is correct |
42 | Correct | 1000 ms | 327812 KB | Output is correct |
43 | Correct | 957 ms | 326272 KB | Output is correct |
44 | Incorrect | 254 ms | 15352 KB | Output isn't correct |
45 | Halted | 0 ms | 0 KB | - |