Java/944. Delete Columns to Make Sorted 刪列造序

阿新 • • 發佈：2019-01-02

題目

程式碼部分一（26ms 66.80%)

class Solution {
    public int minDeletionSize(String[] A) {
        int len = A[0].length();
        if(len < 2) return 0;
        
        int res = 0;
        int k = A.length;
        char[][] ch = new char[k][len];
        for(int i = 0; i < k; i++){
            ch[i] = A[i].toCharArray();
        }
        
        for(int i = 0; i < len; i++){
            for(int j = 0; j < k - 1; j++){
                if(ch[j][i] > ch[j+1][i]){
                    res++;
                    break;
                }
            }
        }
        
        
        return res;  
    }
}

程式碼部分二（14ms 99.26%）

class Solution {
    public int minDeletionSize(String[] A) {
        int len = A[0].length();
        if(len < 2) return 0;
        
        int res = 0;
        int k = A.length;
        char[][] ch = new char[k][len];
        for(int i = 0; i < k; i++){
            ch[i] = A[i].toCharArray();
        }
        
        for(int i = 0; i < len; i++){
            for(int j = 0; j < k - 1; j++){
                if(ch[j][i] > ch[j+1][i]){
                    res++;
                    break;
                }
            }
        }
        
        
        return res;  
    }
}

Java/944. Delete Columns to Make Sorted 刪列造序

題目程式碼部分一（26ms 66.80%) class Solution { public int minDeletionSize(String[] A) { int le

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Java/944. Delete Columns to Make Sorted 刪列造序

題目

程式碼部分一（26ms 66.80%)

程式碼部分二（14ms 99.26%）

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