In ABC 141 promblem F, I try to use "ios::sync_with_stdio(false)" with cin & cout, but the the service give me a "WA". after delete it , I get "AC".
Could anyone tell me the reason, Thank you so much.
In ABC 141 promblem F, I try to use "ios::sync_with_stdio(false)" with cin & cout, but the the service give me a "WA". after delete it , I get "AC".
Could anyone tell me the reason, Thank you so much.
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