CodeSprout 官方2026/10/04 00:19

官方解答 · 置頂Java

官方解答｜格點欄最低值

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 int aggregate(List<Integer> values) {
        if (values.isEmpty()) return 0;
        int answer = values.get(0);
        for (int x : values) answer = Math.min(answer, x);
        return answer;
    }

    public static List<Integer> solve(int[][] grid) {
        List<Integer> result = new ArrayList<>();
        int columns = grid.length == 0 ? 0 : grid[0].length;
        for (int col = 0; col < columns; col++) {
            List<Integer> values = new ArrayList<>();
            for (int row = 0; row < grid.length; row++) {
                int x = grid[row][col];
                if (true) values.add(x);
            }
            result.add(aggregate(values));
        }
        return result;
    }
}