Submission #405919

#	Time	Username	Problem	Language	Result	Execution time	Memory
405919		Maqsut_03	Swapping Cities (APIO20_swap)	C++14	0 / 100	156 ms	14328 KiB

swap

#include "swap.h"
#include<iostream>
#include<vector>
#include<algorithm>
#include<map>
#include<set>
#include<queue>
#include<deque>

#define ll long long 
#define pl pair<ll, ll> 
#define llv vector<ll>
#define pb push_back
#define ppb(x, y) push_back({x, y})
#define pv vector<pl>
#define sz size()

using namespace std;
const int N = 2 * 1e5 + 3;

int n, m, a = 0, b = 0;
pv v[N];
bool q = 1;

void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) 
{
    n = N;
    m = M;
    for (int i=0; i<m; i++) 
	{
    	v[V[i]].ppb(U[i], W[i]);
    	v[U[i]].ppb(V[i], W[i]);
	}
	for (int i=0; i<n; i++) 
	{
		if (v[i].sz == 2) a++;
		if (v[i].sz == 1) b++;
	}
	if (b == 2 && a + b == n) q = 0;
    return ;
}

int getMinimumFuelCapacity(int X, int Y) 
{
	if (q)
	{
		return 1;
	}
	else return -1;
	
}

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27