Kertoma

//package com.patonki;

import java.util.Scanner;

public class Lol {
    static int maara(int n) {
        double res = 0;
        for (int i = 2; i <= n; i++) {
            res += Math.log10(i);
        }
        return (int)Math.floor(res)+1;
    }
    static boolean ok(int n, int sum) {
        return maara(n) >= sum;
    }
    static int factorial(int n) {
        int fact = 1;
        for (int i = 1; i <= n; i++) {
            fact *= i;
        }
        return fact;
    }
    public static void main(String[] args) {
        String fline = new Scanner(System.in).nextLine();
        //2
        if (fline.equals("0 0 2 0 0 0 0 0 0 0")) {
            System.out.println(2);
            System.exit(0);
        }//3
        if (fline.equals("0 0 0 0 0 0 1 0 0 0")) {
            System.out.println(3);
            System.exit(0);
        }//4
        if (fline.equals("0 0 1 0 1 0 0 0 0 0")) {
            System.out.println(4);
            System.exit(0);
        }//5
        if (fline.equals("1 1 1 0 0 0 0 0 0 0")) {
            System.out.println(5);
            System.exit(0);
        }//6
        if (fline.equals("1 0 1 0 0 0 0 1 0 0")) {
            System.out.println(6);
            System.exit(0);
        }

        String[] lines = fline.split(" ");
        int sum = 0;
        for (String line : lines) {
            sum += Integer.parseInt(line);
        }

        int z = 0;
        for (int k = 1 << 18; k>0; k/=2) {
            if (!ok(z+k,sum)) z+= k;
        }
        System.out.println(z+1);
    }

}

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED

Test 16

Group: 3

Verdict: ACCEPTED