답안 #532186

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
532186	2022-03-02T11:48:27 Z	AdamGS	낙하산 고리들 (IOI12_rings)	C++17	100 / 100	654 ms	64684 KB

rings

#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
const int LIM=1e6+7;
pair<int,int>kraw[LIM];
int F[LIM], ile[LIM], deg[LIM], n, q, typ, ans;
vector<int>kand;
int F2[LIM][4], deg2[LIM][4], ok[4];
int fnd(int x) {
  if(F[x]==x) return x;
  return F[x]=fnd(F[x]);
}
int fnd2(int x, int y) {
  if(F2[x][y]==x) return x;
  return F2[x][y]=fnd2(F2[x][y], y);
}
void Init(int N) {
  n=N; ans=n;
  rep(i, n) {
    F[i]=i;
    ile[i]=1;
  }
}
void usun(int x) {
  kand.pb(x);
  rep(i, q) if(kraw[i].st==x || kraw[i].nd==x) kand.pb(kraw[i].st^kraw[i].nd^x);
  typ=2;
  ans=0;
  rep(j, 4) {
    rep(i, n) F2[i][j]=i;
    ok[j]=1;
    rep(i, q) if(kraw[i].st!=kand[j] && kraw[i].nd!=kand[j]) {
      if(fnd2(kraw[i].st, j)==fnd2(kraw[i].nd, j)) ok[j]=0;
      F2[fnd2(kraw[i].st, j)][j]=fnd2(kraw[i].nd, j);
      ++deg2[kraw[i].st][j];
      ++deg2[kraw[i].nd][j];
      if(deg2[kraw[i].st][j]==3 || deg2[kraw[i].nd][j]==3) ok[j]=0;
    }
    ans+=ok[j];
  }
}
void upd(int a, int b) {
  rep(i, 4) if(a!=kand[i] && b!=kand[i] && ok[i]) {
    if(fnd2(a, i)==fnd2(b, i)) {
      ok[i]=0;
      --ans;
      continue;
    }
    F2[fnd2(b, i)][i]=fnd2(a, i);
    ++deg2[a][i];
    ++deg2[b][i];
    if(deg2[a][i]==3 || deg2[b][i]==3) {
      ok[i]=0;
      --ans;
      continue;
    }
  }
}
void Link(int a, int b) {
  if(ans==0) return;
  kraw[q]={a, b};
  ++deg[a]; ++deg[b]; ++q;
  if(typ==2) {
    upd(a, b);
    return;
  }
  if(deg[a]<deg[b]) swap(a, b);
  if(deg[a]==3) {
    usun(a);
    return;
  }
  if(fnd(a)==fnd(b)) {
    if(typ==1) ans=0;
    else {
      typ=1;
      ans=ile[fnd(a)];
    }
    return;
  }
  ile[fnd(a)]+=ile[fnd(b)];
  F[fnd(b)]=fnd(a);
}
int CountCritical() {
  return ans;
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Correct	2 ms	608 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	588 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	160 ms	17328 KB	Output is correct
2	Correct	374 ms	51724 KB	Output is correct
3	Correct	213 ms	55756 KB	Output is correct
4	Correct	409 ms	33456 KB	Output is correct
5	Correct	403 ms	33484 KB	Output is correct
6	Correct	400 ms	32480 KB	Output is correct
7	Correct	186 ms	55396 KB	Output is correct
8	Correct	550 ms	60420 KB	Output is correct
9	Correct	654 ms	64684 KB	Output is correct
10	Correct	358 ms	32020 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Correct	2 ms	608 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	588 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	972 KB	Output is correct
13	Correct	3 ms	972 KB	Output is correct
14	Correct	2 ms	884 KB	Output is correct
15	Correct	4 ms	1356 KB	Output is correct
16	Correct	3 ms	588 KB	Output is correct
17	Correct	3 ms	844 KB	Output is correct
18	Correct	3 ms	1356 KB	Output is correct
19	Correct	3 ms	588 KB	Output is correct
20	Correct	3 ms	920 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Correct	2 ms	608 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	588 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	972 KB	Output is correct
13	Correct	3 ms	972 KB	Output is correct
14	Correct	2 ms	884 KB	Output is correct
15	Correct	4 ms	1356 KB	Output is correct
16	Correct	3 ms	588 KB	Output is correct
17	Correct	3 ms	844 KB	Output is correct
18	Correct	3 ms	1356 KB	Output is correct
19	Correct	3 ms	588 KB	Output is correct
20	Correct	3 ms	920 KB	Output is correct
21	Correct	11 ms	1616 KB	Output is correct
22	Correct	17 ms	2488 KB	Output is correct
23	Correct	21 ms	3064 KB	Output is correct
24	Correct	26 ms	5612 KB	Output is correct
25	Correct	11 ms	5072 KB	Output is correct
26	Correct	24 ms	5924 KB	Output is correct
27	Correct	22 ms	3000 KB	Output is correct
28	Correct	19 ms	5164 KB	Output is correct
29	Correct	25 ms	5572 KB	Output is correct
30	Correct	23 ms	3368 KB	Output is correct

Subtask #5
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Correct	2 ms	608 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	588 KB	Output is correct
11	Correct	160 ms	17328 KB	Output is correct
12	Correct	374 ms	51724 KB	Output is correct
13	Correct	213 ms	55756 KB	Output is correct
14	Correct	409 ms	33456 KB	Output is correct
15	Correct	403 ms	33484 KB	Output is correct
16	Correct	400 ms	32480 KB	Output is correct
17	Correct	186 ms	55396 KB	Output is correct
18	Correct	550 ms	60420 KB	Output is correct
19	Correct	654 ms	64684 KB	Output is correct
20	Correct	358 ms	32020 KB	Output is correct
21	Correct	2 ms	580 KB	Output is correct
22	Correct	3 ms	972 KB	Output is correct
23	Correct	3 ms	972 KB	Output is correct
24	Correct	2 ms	884 KB	Output is correct
25	Correct	4 ms	1356 KB	Output is correct
26	Correct	3 ms	588 KB	Output is correct
27	Correct	3 ms	844 KB	Output is correct
28	Correct	3 ms	1356 KB	Output is correct
29	Correct	3 ms	588 KB	Output is correct
30	Correct	3 ms	920 KB	Output is correct
31	Correct	11 ms	1616 KB	Output is correct
32	Correct	17 ms	2488 KB	Output is correct
33	Correct	21 ms	3064 KB	Output is correct
34	Correct	26 ms	5612 KB	Output is correct
35	Correct	11 ms	5072 KB	Output is correct
36	Correct	24 ms	5924 KB	Output is correct
37	Correct	22 ms	3000 KB	Output is correct
38	Correct	19 ms	5164 KB	Output is correct
39	Correct	25 ms	5572 KB	Output is correct
40	Correct	23 ms	3368 KB	Output is correct
41	Correct	127 ms	13416 KB	Output is correct
42	Correct	293 ms	48888 KB	Output is correct
43	Correct	201 ms	45888 KB	Output is correct
44	Correct	183 ms	48196 KB	Output is correct
45	Correct	226 ms	53776 KB	Output is correct
46	Correct	315 ms	28832 KB	Output is correct
47	Correct	362 ms	29376 KB	Output is correct
48	Correct	204 ms	51244 KB	Output is correct
49	Correct	323 ms	30300 KB	Output is correct
50	Correct	357 ms	29840 KB	Output is correct
51	Correct	186 ms	40444 KB	Output is correct
52	Correct	200 ms	40784 KB	Output is correct
53	Correct	177 ms	50224 KB	Output is correct
54	Correct	510 ms	53256 KB	Output is correct
55	Correct	417 ms	57464 KB	Output is correct

답안 #532186

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 17.0 / 17.0

Subtask #3 18.0 / 18.0

Subtask #4 14.0 / 14.0

Subtask #5 31.0 / 31.0

Subtask #1
20.0 / 20.0

Subtask #2
17.0 / 17.0

Subtask #3
18.0 / 18.0

Subtask #4
14.0 / 14.0

Subtask #5
31.0 / 31.0