dear guys i can't catch my problem which show my "function returns nothing" in codeforce i tried hard but can't understand ..please anyone give me this solution why returns nothing ..i am a beginner programmer .. THANKS IN ADVANCE https://mirror.codeforces.com/contest/706/submission/80536755
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What if the function exits the
whileloop? Put areturn 0;statement after thewhile(l<=r)loop.