ropes.cpp

// NOTE: it is recommended to use this even if you don't understand the following code.

#include <iostream>
#include <fstream>

using namespace std;

// input data


int main() {
//  uncomment the following lines if you want to read/write from files
//  ifstream cin("input.txt");
//  ofstream cout("output.txt");

	int N;
    cin >> N;
    
	int P[N], T[N];
    for(int i=0; i<N; i++)
        cin >> P[i];
    for(int i=0; i<N; i++)
        cin >> T[i];

    // insert your code here
    int time =0;
    int maxTime[N+1];
    fill(maxTime, maxTime+N+1, -1);
    
    for (int i=0; i<N; i++) {
    	if (T[i] > maxTime[P[i]]) {
    		if (maxTime[P[i]] != -1) {
    			time += maxTime[P[i]];
			}
			maxTime[P[i]] = T[i];
		} else {
			time += T[i];
		}
	}
    
    cout << time << endl; // print the result
    return 0;
}