제출 #982531

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
9825312024-05-14 10:57:58vjudge1Swapping Cities (APIO20_swap)C++17
100 / 100
253 ms53360 KiB
#include <bits/stdc++.h>
#include "swap.h"
using namespace std;
using ll = long long;
const int N = 300300;
const int INF = 1e9;
struct edge {
int u;
int v;
int w;
};
int bg[N];
int en[N];
int cap[N];
bool isbam[N];
int head[N];
int par[N][18];
vector<edge> edges;
int find(int x) {
return head[x] = (head[x] == x ? x : find(head[x]));
};
 
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