Google SWE Intern interview questions

two rounds of coding via phone and codepad, then HR tell me to add one more phone call. each took half hour and one question asked each. sdsd sd dsd sdsd

I applied for software engineer Intern at google for 2020 they sent me a mail to schedule slots for 2 interviews back-to-back each one was 45 mins Problem solving only and after the 2 interviews they asked me to do one extra interview