#include "split.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e5+7;
vector<int>V[LIM], P[LIM], G[LIM], ans;
vector<pair<int,int>>S;
int pre[LIM], odl[LIM], ile[LIM], lpre, X, Y;
void DFS(int x) {
pre[x]=++lpre;
for(auto i : V[x]) {
if(!pre[i]) {
P[x].pb(i);
DFS(i);
} else if(pre[i]<pre[x]) G[x].pb(i);
}
}
void DFS2(int x) {
ile[x]=1;
for(auto i : P[x]) {
odl[i]=odl[x]+1;
DFS2(i);
ile[x]+=ile[i];
}
}
void DFS3(int x, int k) {
if(!X || ans[x]) return;
ans[x]=k;
--X;
for(auto i : P[x]) DFS3(i, k);
}
void DFS4(int x, int k) {
if(ans[x]) return;
ans[x]=k;
for(auto i : P[x]) DFS4(i, k);
}
void DFS5(int x, bool c, int k, int p) {
if(!X) return;
for(auto i : G[x]) if(odl[i]<k) c=true;
if(c) {
ans[x]=p;
--X;
}
for(auto i : P[x]) DFS5(i, c, k, p);
}
bool DFS6(int x) {
bool c=true;
if(S[2].st==0) c=false;
for(auto i : P[x]) c&=DFS6(i);
if(c) {
--S[2].st;
ans[x]=S[2].nd;
}
return c;
}
vector<int>find_split(int n, int a, int b, int c, vector<int>p, vector<int>q) {
rep(i, n) ans.pb(0);
S.pb({a, 1});
S.pb({b, 2});
S.pb({c, 3});
sort(all(S));
rep(i, p.size()) {
V[p[i]].pb(q[i]);
V[q[i]].pb(p[i]);
}
DFS(0);
DFS2(0);
rep(i, n) if(ile[i]>=S[0].st && n-ile[i]>=S[1].st) {
X=S[0].st;
DFS3(i, S[0].nd);
X=S[1].st;
DFS3(0, S[1].nd);
rep(j, n) if(!ans[j]) ans[j]=S[2].nd;
return ans;
}
rep(i, n) if(ile[i]>=S[1].st && n-ile[i]>=S[0].st) {
X=S[1].st;
DFS3(i, S[1].nd);
X=S[0].st;
DFS3(0, S[0].nd);
rep(j, n) if(!ans[j]) ans[j]=S[2].nd;
return ans;
}
pair<int,int>mi={n, n};
rep(i, n) if(ile[i]>=S[0].st) mi=min(mi, {ile[i], i});
if(!mi.nd) return ans;
X=S[1].st-(n-mi.st);
DFS4(mi.nd, S[0].nd);
DFS4(0, S[1].nd);
for(auto i : P[mi.nd]) DFS5(i, false, odl[mi.nd], S[1].nd);
if(!X) {
DFS6(0);
return ans;
}
rep(i, n) ans[i]=0;
mi={n, n};
rep(i, n) if(ile[i]>=S[1].st) mi=min(mi, {ile[i], i});
if(!mi.nd) return ans;
X=S[0].st-(n-mi.st);
DFS4(mi.nd, S[1].nd);
DFS4(0, S[0].nd);
for(auto i : P[mi.nd]) DFS5(i, false, odl[mi.nd], S[0].nd);
if(X) rep(i, n) ans[i]=0;
else DFS6(0);
return ans;
}
Compilation message
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
| ^
split.cpp:67:3: note: in expansion of macro 'rep'
67 | rep(i, p.size()) {
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8284 KB |
ok, correct split |
2 |
Correct |
3 ms |
8284 KB |
ok, correct split |
3 |
Correct |
2 ms |
8284 KB |
ok, correct split |
4 |
Correct |
2 ms |
8284 KB |
ok, correct split |
5 |
Correct |
2 ms |
8284 KB |
ok, correct split |
6 |
Correct |
2 ms |
8280 KB |
ok, correct split |
7 |
Correct |
73 ms |
29096 KB |
ok, correct split |
8 |
Correct |
68 ms |
26572 KB |
ok, correct split |
9 |
Correct |
71 ms |
25548 KB |
ok, correct split |
10 |
Correct |
72 ms |
29644 KB |
ok, correct split |
11 |
Correct |
118 ms |
29552 KB |
ok, correct split |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8280 KB |
ok, correct split |
2 |
Correct |
2 ms |
8280 KB |
ok, correct split |
3 |
Correct |
2 ms |
8284 KB |
ok, correct split |
4 |
Correct |
82 ms |
24668 KB |
ok, correct split |
5 |
Correct |
62 ms |
18888 KB |
ok, correct split |
6 |
Correct |
74 ms |
29640 KB |
ok, correct split |
7 |
Correct |
71 ms |
26336 KB |
ok, correct split |
8 |
Correct |
95 ms |
21420 KB |
ok, correct split |
9 |
Correct |
71 ms |
20440 KB |
ok, correct split |
10 |
Correct |
44 ms |
17876 KB |
ok, correct split |
11 |
Correct |
46 ms |
17876 KB |
ok, correct split |
12 |
Correct |
47 ms |
17868 KB |
ok, correct split |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8280 KB |
ok, correct split |
2 |
Correct |
59 ms |
18900 KB |
ok, correct split |
3 |
Correct |
23 ms |
12760 KB |
ok, correct split |
4 |
Correct |
2 ms |
8284 KB |
ok, correct split |
5 |
Correct |
78 ms |
23508 KB |
ok, correct split |
6 |
Correct |
66 ms |
23108 KB |
ok, correct split |
7 |
Correct |
68 ms |
22924 KB |
ok, correct split |
8 |
Correct |
86 ms |
24520 KB |
ok, correct split |
9 |
Correct |
65 ms |
22732 KB |
ok, correct split |
10 |
Correct |
23 ms |
11988 KB |
ok, no valid answer |
11 |
Correct |
31 ms |
13784 KB |
ok, no valid answer |
12 |
Correct |
53 ms |
18388 KB |
ok, no valid answer |
13 |
Correct |
64 ms |
18772 KB |
ok, no valid answer |
14 |
Correct |
45 ms |
17864 KB |
ok, no valid answer |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8280 KB |
ok, correct split |
2 |
Correct |
2 ms |
8284 KB |
ok, no valid answer |
3 |
Correct |
2 ms |
8284 KB |
ok, correct split |
4 |
Correct |
2 ms |
8280 KB |
ok, correct split |
5 |
Correct |
2 ms |
8284 KB |
ok, correct split |
6 |
Correct |
2 ms |
8284 KB |
ok, correct split |
7 |
Correct |
2 ms |
8284 KB |
ok, correct split |
8 |
Correct |
2 ms |
8284 KB |
ok, correct split |
9 |
Correct |
4 ms |
8796 KB |
ok, correct split |
10 |
Correct |
5 ms |
8792 KB |
ok, correct split |
11 |
Correct |
3 ms |
8284 KB |
ok, correct split |
12 |
Correct |
4 ms |
8748 KB |
ok, correct split |
13 |
Correct |
2 ms |
8280 KB |
ok, correct split |
14 |
Correct |
2 ms |
8284 KB |
ok, correct split |
15 |
Correct |
3 ms |
8292 KB |
ok, correct split |
16 |
Correct |
2 ms |
8284 KB |
ok, correct split |
17 |
Correct |
2 ms |
8284 KB |
ok, correct split |
18 |
Correct |
2 ms |
8284 KB |
ok, correct split |
19 |
Correct |
2 ms |
8540 KB |
ok, correct split |
20 |
Correct |
3 ms |
8540 KB |
ok, correct split |
21 |
Correct |
3 ms |
8796 KB |
ok, correct split |
22 |
Correct |
3 ms |
8796 KB |
ok, correct split |
23 |
Correct |
3 ms |
8796 KB |
ok, correct split |
24 |
Correct |
3 ms |
8796 KB |
ok, correct split |
25 |
Correct |
3 ms |
8796 KB |
ok, correct split |
26 |
Incorrect |
4 ms |
8540 KB |
invalid split: #1=1597, #2=3, #3=800 |
27 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8284 KB |
ok, correct split |
2 |
Correct |
3 ms |
8284 KB |
ok, correct split |
3 |
Correct |
2 ms |
8284 KB |
ok, correct split |
4 |
Correct |
2 ms |
8284 KB |
ok, correct split |
5 |
Correct |
2 ms |
8284 KB |
ok, correct split |
6 |
Correct |
2 ms |
8280 KB |
ok, correct split |
7 |
Correct |
73 ms |
29096 KB |
ok, correct split |
8 |
Correct |
68 ms |
26572 KB |
ok, correct split |
9 |
Correct |
71 ms |
25548 KB |
ok, correct split |
10 |
Correct |
72 ms |
29644 KB |
ok, correct split |
11 |
Correct |
118 ms |
29552 KB |
ok, correct split |
12 |
Correct |
2 ms |
8280 KB |
ok, correct split |
13 |
Correct |
2 ms |
8280 KB |
ok, correct split |
14 |
Correct |
2 ms |
8284 KB |
ok, correct split |
15 |
Correct |
82 ms |
24668 KB |
ok, correct split |
16 |
Correct |
62 ms |
18888 KB |
ok, correct split |
17 |
Correct |
74 ms |
29640 KB |
ok, correct split |
18 |
Correct |
71 ms |
26336 KB |
ok, correct split |
19 |
Correct |
95 ms |
21420 KB |
ok, correct split |
20 |
Correct |
71 ms |
20440 KB |
ok, correct split |
21 |
Correct |
44 ms |
17876 KB |
ok, correct split |
22 |
Correct |
46 ms |
17876 KB |
ok, correct split |
23 |
Correct |
47 ms |
17868 KB |
ok, correct split |
24 |
Correct |
2 ms |
8280 KB |
ok, correct split |
25 |
Correct |
59 ms |
18900 KB |
ok, correct split |
26 |
Correct |
23 ms |
12760 KB |
ok, correct split |
27 |
Correct |
2 ms |
8284 KB |
ok, correct split |
28 |
Correct |
78 ms |
23508 KB |
ok, correct split |
29 |
Correct |
66 ms |
23108 KB |
ok, correct split |
30 |
Correct |
68 ms |
22924 KB |
ok, correct split |
31 |
Correct |
86 ms |
24520 KB |
ok, correct split |
32 |
Correct |
65 ms |
22732 KB |
ok, correct split |
33 |
Correct |
23 ms |
11988 KB |
ok, no valid answer |
34 |
Correct |
31 ms |
13784 KB |
ok, no valid answer |
35 |
Correct |
53 ms |
18388 KB |
ok, no valid answer |
36 |
Correct |
64 ms |
18772 KB |
ok, no valid answer |
37 |
Correct |
45 ms |
17864 KB |
ok, no valid answer |
38 |
Correct |
2 ms |
8280 KB |
ok, correct split |
39 |
Correct |
2 ms |
8284 KB |
ok, no valid answer |
40 |
Correct |
2 ms |
8284 KB |
ok, correct split |
41 |
Correct |
2 ms |
8280 KB |
ok, correct split |
42 |
Correct |
2 ms |
8284 KB |
ok, correct split |
43 |
Correct |
2 ms |
8284 KB |
ok, correct split |
44 |
Correct |
2 ms |
8284 KB |
ok, correct split |
45 |
Correct |
2 ms |
8284 KB |
ok, correct split |
46 |
Correct |
4 ms |
8796 KB |
ok, correct split |
47 |
Correct |
5 ms |
8792 KB |
ok, correct split |
48 |
Correct |
3 ms |
8284 KB |
ok, correct split |
49 |
Correct |
4 ms |
8748 KB |
ok, correct split |
50 |
Correct |
2 ms |
8280 KB |
ok, correct split |
51 |
Correct |
2 ms |
8284 KB |
ok, correct split |
52 |
Correct |
3 ms |
8292 KB |
ok, correct split |
53 |
Correct |
2 ms |
8284 KB |
ok, correct split |
54 |
Correct |
2 ms |
8284 KB |
ok, correct split |
55 |
Correct |
2 ms |
8284 KB |
ok, correct split |
56 |
Correct |
2 ms |
8540 KB |
ok, correct split |
57 |
Correct |
3 ms |
8540 KB |
ok, correct split |
58 |
Correct |
3 ms |
8796 KB |
ok, correct split |
59 |
Correct |
3 ms |
8796 KB |
ok, correct split |
60 |
Correct |
3 ms |
8796 KB |
ok, correct split |
61 |
Correct |
3 ms |
8796 KB |
ok, correct split |
62 |
Correct |
3 ms |
8796 KB |
ok, correct split |
63 |
Incorrect |
4 ms |
8540 KB |
invalid split: #1=1597, #2=3, #3=800 |
64 |
Halted |
0 ms |
0 KB |
- |