Submission #981683

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
981683	2024-05-13 12:56:30	Alkaser_ID	Swapping Cities (APIO20_swap)	C++17	0 / 100	2028 ms	8648 KiB

swap

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#include "swap.h"
using namespace std;
#include <bits/stdc++.h>
vector<vector<int>> adj[100005];
int n,m;
vector<pair<int,pair<int,int>>> v;
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n=N;m = M;
    for(int i=0;i<m;++i){
        v.push_back({W[i],{U[i],V[i]}});
    }
    sort(v.begin(),v.end());
}
int p[100005],sz[100005]; bool bl[100005];
inline int parent(int a){
    if(a == p[a]) return a;
    return a = parent(p[a]);
}
inline void merg(int x,int y){
    int a = parent(x),b = parent(y);
    if(a == b) return;
    if(sz[b] > sz[a]) swap(a,b);
    sz[a] += sz[b];
    p[b] = a;
    bl[a] = bl[a] | bl[b];
}
 
 
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• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27