Submission #334823

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
334823	2020-12-10 04:15:31	limabeans	Swapping Cities (APIO20_swap)	C++17	0 / 100	738 ms	524292 KiB

swap

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#include <bits/stdc++.h>
#include "swap.h"
using namespace std;
using ll = long long;
const int maxn = 1e5 + 10;
int n;
vector<pair<ll,int>> g[maxn];
bool loop = false;
ll maxW = 0;
void dfs(int at, int p, int dep) {
    if (dep==n) loop=true;
    for (auto ed: g[at]) {
  int to = ed.second;
  if (to == p) continue;
  dfs(to,at,dep+1);
    }
}
void init(int N, int M, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n=N;
    for (int i=0; i<M; i++) {
  g[U[i]].push_back({W[i],V[i]});
  g[V[i]].push_back({W[i],U[i]});
 
 
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