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  1. int main(){
  2. long long a,b,c,i;
  3. long long d=2;
  4. scanf("%llu %llu %llu",&a,&b,&c);
  5. for (i=1;i<=63;i++){
  6. d=2*i*d;
  7. }
  8. printf("%llu", d-1);
  9. return 0;
  10. }
Success #stdin #stdout 0.01s 5292KB
stdin
Standard input is empty
stdout
18446744073709551615