oj.uz

Submission #394744

# Submission time Handle Problem Language Result Execution time Memory
394744 2021-04-27T09:11:25 Z khangal Swapping Cities (APIO20_swap) C++14
6 / 100
 130 ms 12684 KB 
#include "swap.h"
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef pair<ll,ll> pl;
#define pb push_back
#define ff first
#define ss second
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n,m,mid,mn,T,sum,h1,h2,x,y,z,l,r,cnt,cnt1,ans;
vector<pair<ll,pl>> edge;
bool ok,ok1;
vector<int> par,path,sz,w,mx,lvl,c;
ll len;
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    for(int i=0;i<M;i++){
        edge.pb({W[i],{U[i],V[i]}});
        ans=max(ans,W[i]);
    }
    n=N;
    m=M;
    par.resize(n);
	path.resize(n);
    sz.resize(n);
    mx.resize(n);
    lvl.resize(n);
    c.resize(n);
    sort(edge.begin(),edge.end());
    len=U.size();
}


int dsu(ll x){
    return par[x] = (par[x] == x ? x : dsu(par[x]));
}
 
void connect(ll x,ll y){
    x=dsu(x);
    y=dsu(y);
    if(x==y){
    	return;
    }
    else{
    	
    	if(lvl[x]>=lvl[y]){
	        par[y]=x;
	        mx[x]=max(mx[x],mx[y]);
	        sz[x]+=sz[y];
	        path[x]+=path[y];
		}
		else{
			par[x]=y;
	        mx[y]=max(mx[x],mx[y]);
	        sz[y]+=sz[x];
	        path[y]+=path[x];
		}
	}
}

void run(){
	for(int i=0;i<n;i++){
        par[i]=i;
    }
    for(int i=0;i<n;i++){
    	c[i]=0;
    	path[i]=0;
    	sz[i]=1;
    	mx[i]=0;
    	lvl[i]=0;
	}
}
int getMinimumFuelCapacity(int X, int Y) {
	if(len>5){
		if(m+1==n)return -1;
		else return ans;
	}
	run();
    for(auto u:edge){
        x=u.ss.ff;
        y=u.ss.ss;
        connect(x,y);
        c[x]++;
        c[y]++;
        path[dsu(x)]++;
        mx[dsu(x)] = max(mx[dsu(x)],c[x]);
        mx[dsu(y)] = max(mx[dsu(y)],c[y]);
        if(dsu(X)!=dsu(Y))continue;
        if(mx[dsu(X)]<3&&path[dsu(X)]<sz[dsu(X)])continue;
        return u.ff;
    }
    return -1;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 40 ms 4796 KB Output is correct
10 Correct 45 ms 5884 KB Output is correct
11 Correct 44 ms 5748 KB Output is correct
12 Correct 61 ms 6076 KB Output is correct
13 Correct 47 ms 6144 KB Output is correct
14 Correct 44 ms 5048 KB Output is correct
15 Correct 113 ms 7748 KB Output is correct
16 Correct 111 ms 10884 KB Output is correct
17 Correct 113 ms 11236 KB Output is correct
18 Correct 115 ms 11244 KB Output is correct
19 Correct 66 ms 6660 KB Output is correct
20 Correct 112 ms 11972 KB Output is correct
21 Correct 115 ms 12100 KB Output is correct
22 Correct 130 ms 12684 KB Output is correct
23 Correct 119 ms 12664 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 102 ms 7580 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 Incorrect 1 ms 204 KB Output isn't correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 40 ms 4796 KB Output is correct
10 Correct 45 ms 5884 KB Output is correct
11 Correct 44 ms 5748 KB Output is correct
12 Correct 61 ms 6076 KB Output is correct
13 Correct 47 ms 6144 KB Output is correct
14 Correct 44 ms 5048 KB Output is correct
15 Correct 113 ms 7748 KB Output is correct
16 Correct 111 ms 10884 KB Output is correct
17 Correct 113 ms 11236 KB Output is correct
18 Correct 115 ms 11244 KB Output is correct
19 Incorrect 102 ms 7580 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct