单选题

选A

多选题

判断题

编程题

//仓颉编程语言
main() {
    let input = Console.stdIn.readln() // Option<String> 类型
    let text = input.getOrThrow() // 有效输入 -> String 类型，无效输入 -> 抛异常
    let array = text.split('') // 用逗号拆分输入字符串，Array<String> 类型
    var counts = Array<Int64>(10, item: 0)    
    let a:Array<String>=["0","1","2","3","4","5","6","7","8","9"]
    for (i in 0..array.size){
        for(j in 0..9){
            if (array[i]==a[j]){
                counts[j] += 1
            }
        }
    }
     for (i in 0..9) {
        if (counts[i] > 0) {
            println("${i}:${counts[i]}")
        }
     }  
}