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  1. #include <stdio.h>
  2. #include <string.h>
  3. //#include <stdbool.h>
  4.  
  5.     int main()
  6.     {  int m,n,t,i;
  7.         char a[]="National University";
  8.         char b[]="India";
  9.         char c[100];
  10.         char d[100];
  11.  
  12.         m=strlen(a);
  13.         n= strlen(b);
  14.  
  15.  
  16.         if(m>n)
  17.         {	t=m;
  18.          //   strcpy(&c,&a);
  19.         	for(i=0;i<n;i++)
  20.               d[i]=b[i];
  21.             for(i=0;i<m-n;i++)
  22.             	d[n+i]=32;
  23.             for(i=0;i<t;i++)
  24.                    {
  25.                    	a[i]=a[i]^d[i];
  26.                    	d[i]=d[i]^a[i];
  27.                    	a[i]=a[i]^d[i];
  28.                    }
  29.  
  30.             printf("a= %s \t b=%s" ,a,d);
  31.         }
  32.         else
  33.         {	t=n;
  34.        // strcpy(&d,&b);
  35.            for(i=0;i<m;i++)
  36.         	   c[i]=a[i];
  37.            for(i=0;i<n-m;i++)
  38.           	c[m+i]=32;
  39.            for(i=0;i<t;i++)
  40.                 {
  41.                             	c[i]=c[i]^b[i];
  42.                             	b[i]=b[i]^c[i];
  43.                             	c[i]=c[i]^b[i];
  44.                             }
  45.  
  46.            printf("c= %s \t d=%s" ,c,b);
  47.         }
  48.  
  49.  
  50.  
  51.     return 0;
  52.     }
Success #stdin #stdout 0s 2896KB
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Standard input is empty
stdout
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a= India               	 b=National University
https://ideone.com/B7lsz4
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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