Question

How to insert spaces between words that start with capital in a string with C

Answer 1

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
 
char *insert_space(char *s) { 
    int len =  strlen(s), j = 0;
    char *tmp = (char *)malloc(((len * 2) * sizeof(char)) + 1);
    for (int i = 0; i < len; i++) {
         if (s[i] >= 'A' && s[i] <= 'Z' && i != 0) { 
                tmp[j++] = ' ';
         }
         tmp[j++] = s[i];
    }
    tmp[j] = '\0';
     
    return tmp;
} 
 
int main() {
    char s[] = "PythonJavaPascalC#C++F#";
 
    char *p = insert_space(s);
    puts(p);
    free(p);
}
 
 
 
/*
 
Python Java Pascal C# C++ F#
 
*/

 

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