Submission #188392

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Source Code Expand

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int start = 0;
        int ng1 = 0;
        int ng2 = 0;
        int ng3 = 0;

        for (int i = 0; i < 4; i++) {
            switch (i) {
                case 0:
                    start = Integer.parseInt(br.readLine());
                    break;
                case 1:
                    ng1 = Integer.parseInt(br.readLine());

                    if (ng1 == start) {
                        System.out.println("NO");
                    }
                    break;
                case 2:
                    ng2 = Integer.parseInt(br.readLine());
                    if (ng2 == start) {
                        System.out.println("NO");
                    }
                    if (ng1 > ng2) {
                        int temp = ng1;
                        ng1 = ng2;
                        ng2 = temp;
                    }

                    break;
                case 3:
                    ng3 = Integer.parseInt(br.readLine());
                    if (ng3 == start) {
                        System.out.println("NO");
                    }

                    if (ng1 > ng3) {
                        int temp = ng1;
                        ng1 = ng3;
                        ng3 = temp;
                    }

                    if (ng2 > ng3) {
                        int temp = ng2;
                        ng2 = ng3;
                        ng3 = temp;
                    }

                    break;
            }
        }

        int sum = ng1 + ng2 + ng3;
        if (sum == 6 || sum == 894) {
            System.out.println("NO");
        } else {
            sum = minReachLength(start, ng3 + 1);
            if (sum >= 100) {
                System.out.println("NO");
            } else {
                int sum1 = sum + minReachLength(ng3 - 1, ng2 + 1);

                if (sum1 >= 100) {
                    sum1 = sum + minReachLength(ng3 - 2, ng2 + 1);
                    
                    if (sum1 >= 100) {
                        System.out.println("NO");
                        return;
                    }
                }

                int sum2 = sum1 + minReachLength(ng2 - 1, ng1 + 1);

                if (sum2 >= 100) {
                    sum2 = sum1 + minReachLength(ng2 - 2, ng1 + 1);

                    if (sum2 >= 100) {
                        System.out.println("NO");
                        return;
                    }

                    System.out.println("YES");
                } else {
                    System.out.println("YES");
                }
            }
        }
    }

    private static int minReachLength(int start, int target) {
        int diff = start - target;
        int mod = diff % 3;
        int count = diff / 3;
        if (mod == 0) {
            return count;
        } else {
            return count + 1;
        }
    }
}

Submission Info

Judge Result