Submission #982531

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
982531	2024-05-14 10:57:58	vjudge1	Swapping Cities (APIO20_swap)	C++17	100 / 100	253 ms	53360 KiB

swap

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#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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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 17 / 17
• Subtask 4: 20 / 20
• Subtask 5: 23 / 23
• Subtask 6: 27 / 27