https://mirror.codeforces.com/contest/1983/submission/269401066 this one is giving tle https://mirror.codeforces.com/contest/1983/submission/269401494 this one getting accepted
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both codes are not same , the one which is giving tle is checking conditions after every input of second matrix which makes the overall time complexity of n*n*m*m.
You are not using the Fast IO statement in the first submission. Refer to this: https://stackoverflow.com/questions/31162367/significance-of-ios-basesync-with-stdiofalse-cin-tienull
used it in one of the codes didn't worked
But the code worked without it?