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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. int main() {
  5. std::cout << 3 << ":" << std::setfill('0') << std::setw(2) << 5;
  6. }
Success #stdin #stdout 0.01s 2724KB
stdin
Standard input is empty
stdout
3:05