Question

How to reverse the words in a string with C

Answer 1

#include <stdio.h>

void reverse_word(char s[], int start, int end) {
    char temp;
    while(start < end) {
        temp = s[start];
        s[start] = s[end];
        s[end] = temp;

        start++;
        end--;
    }
}
int main()
{
    char s[] ="C is a general purpose programming language";
    int start = 0, end = 0;

    while(s[end]) {
        for (end = start; s[end] && s[end] != ' '; end++);
        reverse_word(s, start, end - 1);
        start = end + 1;
    }

    puts(s);

    return 0;
}




/*
run:

C si a lareneg esoprup gnimmargorp egaugnal

*/

 

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