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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a=3;
  5. int *p;
  6. p = &a;
  7. *p = 100;
  8. printf("a = %d\n",a);
  9. return 0;
  10. }
  11.  
Success #stdin #stdout 0.01s 5272KB
stdin
Standard input is empty
stdout
a = 100