먼지의삶 2019. 7. 21. 03:30
import java.util.Scanner;

public class Main {
    static int k = Integer.MIN_VALUE;
    static void go(int n,int[] t , int[] p,int day, int pay){
        if(day == n ){
            if(pay > k) k = pay;
            return;
        }
        if(day > n) return;
        go(n,t,p,day+t[day], pay+p[day]);
        go(n,t,p,day + 1 , pay);
    }
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int[] t = new int[n];
        int[] p = new int[n];
        for(int i = 0; i < n; i++){
            t[i] = sc.nextInt();
            p[i] = sc.nextInt();
        }
        go(n,t,p,0,0);
        System.out.println(k);
    }
}

DP