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How to implement a function that reverse part of the letters in a string with C

2 Answers

0 votes
#include <stdio.h>
#include <string.h>

void revers_letters(char arr[], int start, int end) { 
    char ch; 
    
    while (start <= end) { 
        ch = arr[start]; 
        arr[start] = arr[end]; 
        arr[end] = ch; 
        
        start++; 
        end--; 
    } 
} 

int main() {
    char arr[100] = "java c python"; 
    
    revers_letters(arr, 0, 5); 
    
    puts(arr); 
}



/*
run:

nohtyp c avaj

*/

 




answered Jun 29, 2019 by avibootz
0 votes
#include <stdio.h>
#include <string.h>

void revers_letters(char arr[], int start, int end) { 
    char ch; 
    
    while (start <= end) { 
        ch = arr[start]; 
        arr[start] = arr[end]; 
        arr[end] = ch; 
        
        start++; 
        end--; 
    } 
} 

int main() {
    char arr[100] = "java c python"; 
    
    revers_letters(arr, 7, 9); 
    
    puts(arr); 
}



/*
run:

java c typhon

*/

 




answered Jun 29, 2019 by avibootz
...