这个转换莫尔斯密码的有啥问题 - C语言论坛

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这个转换莫尔斯密码的有啥问题

程序代码：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
   
    int input_str_len,i,cache;
    char morse_code[400] = {'\0'};
    char input_str[100] = {'\0'};
    char morse[26][5] = {".-","-...","-.-.","-..",".","..-.","--.",
                    "....","..",".---","-.-",".-..","--","-.",
                    "---",".--.","--.-",".-.","...","-","..-",
                    "...-",".--","-..-","-.--","--.."};
    gets(input_str);
    input_str_len = strlen(input_str);
    for (i = 0;i < input_str_len; i++){
        if ((cache = input_str[i]) >= 'A' && cache <= 'Z' ){
            morse_code = strcat(morse_code,morse[input_str[i] - 'A']);
        } else if (cache == '_'){
            morse_code = strcat(morse_code,"..--");
        } else if (cache == '.'){
            morse_code = strcat(morse_code,"---.");
        } else if (cache == ','){
            morse_code = strcat(morse_code,".-.-");
        } else {
            morse_code = strcat(morse_code,"----");
        }
    }
    printf("%s",morse_code);
   
   
    return 0;
}