oj.uz

Submission #395246

# Submission time Handle Problem Language Result Execution time Memory
395246 2021-04-28T04:00:15 Z irmuun Swapping Cities (APIO20_swap) C++17
37 / 100
 2000 ms 7660 KB 
#include "swap.h"
#include<bits/stdc++.h>
using namespace std;
int a,b,i,n,m,link[200000],edge[200000],sz[200000],x,y,ans[200000],edgeNum[200000],d,e;
pair<int, pair<int,int> >p[200000];
int find(int x){
  if(link[x]==x){
    return x;
  }
  return link[x]=find(link[x]);
}
bool same(int a,int b){
  if(find(a)==find(b)){
    return true;
  }
  else{
    return false;
  }
}
void unite(int a,int b){
  a=find(a);
  b=find(b);
  if(sz[a]<sz[b]){
    swap(a,b);
  }
  if(ans[b]==1){
    ans[a]=1;
  }
  link[b]=a;
  sz[a]+=sz[b];
}
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
  m=M;
  n=N;
  for(i=0;i<n;i++){
    edgeNum[i]=0;
  }
  for(i=0;i<m;i++){
    p[i].first=W[i];
    p[i].second.first=U[i];
    p[i].second.second=V[i];
    edgeNum[U[i]]++;
    edgeNum[V[i]]++;
  }
  sort(p,p+m);
  sort(edgeNum,edgeNum+n);
}
int getMinimumFuelCapacity(int X, int Y) {
  if(edgeNum[0]==edgeNum[n-1]&&edgeNum[0]==2){
    return p[m-1].first;
  }
  for(i=0;i<n;i++){
    link[i]=i;
    sz[i]=1;
    edge[i]=0;
    ans[i]=0;
  }
  for(i=0;i<m;i++){
    x=p[i].second.first;
    y=p[i].second.second;
    edge[x]++;
    edge[y]++;
    if(find(x)==find(y)||edge[x]>2||edge[y]>2){
      ans[find(x)]=1;
      ans[find(y)]=1;
    }
    unite(x,y);
    if(find(X)==find(Y)&&ans[find(X)]==1){
      return p[i].first;
    }
  }
  return -1;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 55 ms 3608 KB Output is correct
10 Correct 65 ms 4408 KB Output is correct
11 Correct 68 ms 4276 KB Output is correct
12 Correct 72 ms 4528 KB Output is correct
13 Correct 68 ms 4536 KB Output is correct
14 Execution timed out 2080 ms 3892 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Execution timed out 2063 ms 6632 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 2 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 332 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 55 ms 3608 KB Output is correct
11 Correct 65 ms 4408 KB Output is correct
12 Correct 68 ms 4276 KB Output is correct
13 Correct 72 ms 4528 KB Output is correct
14 Correct 68 ms 4536 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 2 ms 332 KB Output is correct
30 Correct 2 ms 332 KB Output is correct
31 Correct 2 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 7 ms 940 KB Output is correct
35 Correct 74 ms 4540 KB Output is correct
36 Correct 69 ms 4540 KB Output is correct
37 Correct 71 ms 4532 KB Output is correct
38 Correct 69 ms 4532 KB Output is correct
39 Correct 86 ms 4532 KB Output is correct
40 Correct 64 ms 4184 KB Output is correct
41 Correct 73 ms 4536 KB Output is correct
42 Correct 69 ms 4588 KB Output is correct
43 Correct 70 ms 4588 KB Output is correct
44 Correct 83 ms 4648 KB Output is correct
45 Correct 97 ms 5752 KB Output is correct
46 Correct 72 ms 4620 KB Output is correct
47 Correct 73 ms 4528 KB Output is correct
48 Correct 75 ms 4792 KB Output is correct
49 Correct 66 ms 5884 KB Output is correct
50 Correct 54 ms 4548 KB Output is correct
51 Correct 77 ms 5024 KB Output is correct
52 Correct 102 ms 6392 KB Output is correct
53 Correct 127 ms 6892 KB Output is correct
54 Correct 120 ms 7660 KB Output is correct
55 Correct 60 ms 4536 KB Output is correct
56 Correct 125 ms 6724 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 55 ms 3608 KB Output is correct
10 Correct 65 ms 4408 KB Output is correct
11 Correct 68 ms 4276 KB Output is correct
12 Correct 72 ms 4528 KB Output is correct
13 Correct 68 ms 4536 KB Output is correct
14 Execution timed out 2080 ms 3892 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 55 ms 3608 KB Output is correct
11 Correct 65 ms 4408 KB Output is correct
12 Correct 68 ms 4276 KB Output is correct
13 Correct 72 ms 4528 KB Output is correct
14 Correct 68 ms 4536 KB Output is correct
15 Execution timed out 2080 ms 3892 KB Time limit exceeded
16 Halted 0 ms 0 KB -