oj.uz

Submission #394629

# Submission time Handle Problem Language Result Execution time Memory
394629 2021-04-27T06:19:04 Z khangal Swapping Cities (APIO20_swap) C++14
0 / 100
 2000 ms 6648 KB 
#include "swap.h"
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef double db;
typedef pair<ll,ll> pl;
typedef vector<ll> vl;
#define pb push_back
#define po pop_back
#define ff first
#define ss second
#define MIN -1e18
#define MAX 1e18
#define lw lower_bound
// 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,c[1234567],x,y,z,l,r,cnt,cnt1,ans;
map<ll,ll> mp;
vector<pair<ll,pl>> edge;
ll firstnum,secondnum;
bool ok,ok1;
ll par[1234567],path[1234567],sz[1234567],w,mx[1234567];
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]}});
    }
    n=N;
    sort(edge.begin(),edge.end());
}

ll dsu(ll x){
    if(par[x]==x)return x;
    else return dsu(par[x]);
}

void connect(ll x,ll y){
    x=dsu(x);
    y=dsu(y);
    if(x!=y){
        par[y]=x;
        mx[x]=	max(mx[x],mx[y]);
        sz[x]+=sz[y];
        path[x]+=path[y];
    }
}

bool check(ll x,ll y){
	if(dsu(x)!=dsu(y))return false;
	return true;
}
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;
	}
}
int getMinimumFuelCapacity(int X, int Y) {
	run();
    for(auto u:edge){
        w=u.ff;
        x=u.ss.ff;
        y=u.ss.ss;
        connect(x,y);
        c[x]++;
        c[y]++;
        x=dsu(x);
        y=dsu(y);
        path[x]++;
        mx[x] = max(mx[x],c[x]);
        mx[y] = max(mx[y],c[y]);
        if(check(X,Y)==false)continue;
        if(mx[dsu(X)]>=3||path[dsu(X)]>=sz[dsu(X)])return w;
    }
    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 332 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 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 46 ms 3844 KB Output is correct
10 Correct 68 ms 4560 KB Output is correct
11 Correct 71 ms 4528 KB Output is correct
12 Correct 79 ms 4768 KB Output is correct
13 Execution timed out 2069 ms 4768 KB Time limit exceeded

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 2071 ms 6648 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
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 332 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 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Incorrect 1 ms 332 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
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 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 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 46 ms 3844 KB Output is correct
11 Correct 68 ms 4560 KB Output is correct
12 Correct 71 ms 4528 KB Output is correct
13 Correct 79 ms 4768 KB Output is correct
14 Execution timed out 2069 ms 4768 KB Time limit exceeded

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 332 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 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 46 ms 3844 KB Output is correct
10 Correct 68 ms 4560 KB Output is correct
11 Correct 71 ms 4528 KB Output is correct
12 Correct 79 ms 4768 KB Output is correct
13 Execution timed out 2069 ms 4768 KB Time limit exceeded

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 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 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 46 ms 3844 KB Output is correct
11 Correct 68 ms 4560 KB Output is correct
12 Correct 71 ms 4528 KB Output is correct
13 Correct 79 ms 4768 KB Output is correct
14 Execution timed out 2069 ms 4768 KB Time limit exceeded