CodeSprout 官方2026/10/04 00:19

官方解答 · 置頂Java

官方解答｜批次結果與錯誤數

CodeSprout 官方解答 · 題意分析、解題步驟與完整參考程式

import java.util.*;

public class Solution {
    private static class ValidationException extends Exception {}

    public static List<Integer> solve(String[] texts) {
        List<Integer> committed = new ArrayList<>(), totals = new ArrayList<>(), paired = new ArrayList<>();
        List<String> events = new ArrayList<>();
        int total=0, successes=0, errors=0, closed=0, batch=0;
        for (int start=0; start<texts.length; start+=3, batch++) {
            int batchSum=0, batchErrors=0;
            events.add("open:"+batch);
            try {
                for (int i=start; i<Math.min(start+3,texts.length); i++) {
                    try {
                        int x = Integer.parseInt(texts[i].trim(),10);
                        if (!(x % 2 == 0)) throw new ValidationException();
                        batchSum += x; successes++;
                        events.add("ok:"+x);
                    } catch (NumberFormatException | ValidationException error) {
                        batchErrors++; errors++;
                        events.add("error");
                        
                    }
                }
            } finally {
                closed++;
                events.add("close:"+batch);
            }
            if (batchErrors != 0) batchSum=0;
            committed.add(batchSum); paired.add(batchSum); paired.add(batchErrors);
            total += batchSum; totals.add(total);
        }
        return paired;
    }
}