Submission #387704

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
387704	2021-04-09 05:55:59	RohamIzadidoost	Swapping Cities (APIO20_swap)	C++14	0 / 100	2089 ms	11680 KiB

swap

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#pragma GCC optimize("Ofast,unroll-loops,fast-math")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll ;
#define pll pair<ll , ll >
#define all(x) (x).begin(),(x).end()
#define SZ(x) (ll)(x).size()
#define X   first
#define Y   second
#define mp  make_pair
#define pii pair<int , int>
#define vec vector
#define file_io freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define migmig ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pb push_back
// BIG p : 1000000000000037 , 100000000003
ll poww(ll a, ll b, ll md) {
    return (!b ? 1 : (b & 1 ? a * poww(a * a % md, b / 2, md) % md : poww(a * a % md, b / 2, md) % md));
}
const int maxn = 2000*100+5 ;
const ll inf = 9223372036854775807 ;
const ll mod = 1e9 + 7 ;
const int lg = 20 ;
int par[maxn] , sz[maxn] , mark[maxn] , d[maxn]  , flag , ans ;
vec<pair<int , pii>> e ;
void prep(){
  for(int i = 0 ; i < maxn ; i ++ ){
    par[i] = i ; 
    sz[i] = 1 ; 
    mark[i] = d[i] = 0 ; 
 
 
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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