Submission #259639

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
259639	2020-08-08 06:15:17	anishrajeev	Miners (IOI07_miners)	Java	76 / 100	2083 ms	213580 KiB

miners

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import java.util.*;
import java.io.*;
public class miners {
    public static void main(String[] args) throws IOException{
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out));
        int N = Integer.parseInt(bf.readLine());
        String[] food = bf.readLine().split("");
        int[][][] dp = new int[N+2][34][34];
        int[] combos = new int[]{0, 1, 2, 3, 11, 12, 13, 21, 22, 23, 31, 32, 33};
        //1 = Meat, 2 = Fish, 3 = Bread
        for(int i = 0; i < 13; i++){
            for(int c = 0; c < 13; c++){
                dp[N+1][combos[i]][combos[c]] = 0;
            }
        }
        for(int i = N; i > 0; i--){
            for(int s1 = 0; s1 < 13; s1++){
                for(int s2 = 0; s2 < 13; s2++){
                    int f = -1;
                    if(food[i-1].equals("M"))f = 1;
                    if(food[i-1].equals("F"))f = 2;
                    if(food[i-1].equals("B"))f = 3;
                    int ns1 = (combos[s1]%10)*10 + f;
                    int ns2 = (combos[s2]%10)*10 + f;
                    if(combos[s1] == 0)ns1 = f;
                    if(combos[s2] == 0)ns2 = f;
                    dp[i][combos[s1]][combos[s2]] = Math.max(dp[i+1][ns1][combos[s2]] + value(combos[s1], f), dp[i+1][combos[s1]][ns2] + value(combos[s2], f));
                    //System.out.println("(" + i + ", " + combos[s1] + ", " + combos[s2] + ") = " + dp[i][combos[s1]][combos[s2]]);
                }
 
 
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