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By cyt_nanana, 4 years ago, In English

I'm new to codeforce. If there is any format error or anything wrong with this post please tell me, thank you.

This is the result of Codeforces Round #604 (Div. 2) Problem A. I think I just print the correct output, but I fail the pretest. Error message of my result:

example output:

Can anybody explain to me?Thank you so much... (If you need the code please tell me.)

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4 years ago, # |
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Your code passes the first pretest, but you're failing the second one. There are multiple pretests, and only the ones in the problem statement are visible (the one you were failing on wasn't visible).

Now that the contest is over, you can go to https://codeforces.com/contest/1265/submission/66357340 to view your latest submission, and click the button at the bottom of that page (that says "Click to see test details") to see which test case you're failing. Your first incorrect answer is the test case "?c?".