Submission #965713

#	Time	Username	Problem	Language	Result	Execution time	Memory
965713		pcc	Swapping Cities (APIO20_swap)	C++17	0 / 100	76 ms	10964 KiB

swap

#include "swap.h"

#include <vector>
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define fs first
#define sc second

const int mxn = 1e5+10;

int ans = 0;
vector<pii> v;
int arr[mxn];
int N,M;

void init(int NN, int MM,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
	N = NN,M = MM;
	for(int i = 0;i<M;i++){
		arr[V[i]] = W[i];
		v.push_back(pii(W[i],V[i]));
	}
	sort(v.begin(),v.end());
	return;

}

int getMinimumFuelCapacity(int X, int Y) {
	if(N<=2)return -1;
	if(!X){
		if(Y == v[0].sc)return v[1].fs;
		else return arr[Y];
	}
	if(N<=3)return -1;
	if(arr[X]>arr[Y])swap(X,Y);
	if(X == v[0].sc&&Y == v[1].sc)return v[2].fs;
	else return arr[Y];
}

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