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Given an array of characters which form a sentence of
words, give an efficient algorithm to reverse the order of
the words (not characters) in it?
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Answer Posted / tarak
#include<stdio.h>
int main()
{
char *p="i am working in TechM";
char *s,*temp;
char a[20];
int i=0;
s=p;
while(*p != '\0')
p++;
while(s != p){
while(*(--p)!=' ');
temp=p;
p++;
while(*p != '\0' && *p != ' ')
{
a[i++]=*p;
p++;
}
a[i++]=' ';
p=temp;
p--;
}
while(*s != ' ')
a[i++]=*s++;
a[i] = '\0';
printf("%s \n",a);
}
~
| Is This Answer Correct ? | 3 Yes | 0 No |
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