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  1. #include<stdio.h>
  2. #include<string.h>
  3. char A[80]="This is the String";
  4. char B[160]="\0";
  5. int main(){
  6.  
  7. int size=strlen(A); //change 3
  8. char *pA;
  9. char *pB;
  10. pA=A;
  11. pB=(B+size);
  12. puts(A);
  13. while(*pA!='\0') //change 1
  14. {
  15. *(--pB)=*pA++; // change 2
  16. }
  17.  
  18. puts(B);
  19.  
  20. return 0;
  21. }
  22.  
Success #stdin #stdout 0s 2008KB
stdin
Standard input is empty
stdout
This is the String
gnirtS eht si sihT