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  1. #include <cstdio>
  2. using namespace std;
  3.  
  4. int main() {
  5. int a;
  6. int& b = a;
  7. int* c = &b;
  8. scanf("%d", c);
  9. b *= 2;
  10. a += 1;
  11. printf("%d\n", *c);
  12. return 0;
  13. }
Success #stdin #stdout 0s 3100KB
stdin
3
stdout
7