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  1. #include <iostream>
  2. using namespace std;
  3. int main() {
  4. int a ;
  5.  
  6. for ( int a , b ; a<=b ; a=a+1 ) {
  7.  
  8. }
  9. return 0;
  10. }
Success #stdin #stdout 0s 5320KB
stdin
1 9
stdout
Standard output is empty