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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int num[4]={1,2,3,4};
  5. int *pt=num;
  6. pt++;
  7. *pt++=5;
  8. *pt++=10;
  9. pt--;
  10. *pt=*pt+20;
  11. pt++;
  12. printf("%d,%d,%d,%d",num[0],num[1],num[2],num[3]);
  13. }
  14.  
Success #stdin #stdout 0s 5320KB
stdin
Standard input is empty
stdout
1,5,30,4