Problem: A. Cut and Paste when i am using
s=s+t; [this is giving me TLE on 37 test ] [128332169](https://codeforces.com/contest/1280/submission/128332169)
and s+=t; is Accepted 128332405 20 ms
can anyone tell me why such happen.???
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Problem: A. Cut and Paste when i am using
s=s+t; [this is giving me TLE on 37 test ] [128332169](https://codeforces.com/contest/1280/submission/128332169)
and s+=t; is Accepted 128332405 20 ms
can anyone tell me why such happen.???
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