i need 4 original problems similar to div2 a, b, c & d. i'm willing to pay in dollars if i use your problems. if you can get some original problems 100% ready within 24 hours, please send me a private message.
edit: i already got a lot of responses, thanks everyone
I cannot send u a message, thats because codeforces restrictions, but i sent a message to your fb account.
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