#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],h[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<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);
for(i=0;i<n;i++){
h[edgeNum[i]]++;
}
}
int getMinimumFuelCapacity(int X, int Y) {
if(h[2]==n){
return p[m-1].first;
}
if(h[1]==n-1){
for(i=0;i<m;i++){
if(p[i].second.second==X){
d=p[i].first;
}
if(p[i].second.second==Y){
e=p[i].first;
}
}
return max(p[2].first,max(d,e));
}
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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |