for the first test case im getting 7/16 but it should be 7/8 basically im doing summation of 1/n*1/k*1/n*fre(y)/n. https://codeforces.me/contest/1279/problem/D
for the first test case im getting 7/16 but it should be 7/8 basically im doing summation of 1/n*1/k*1/n*fre(y)/n. https://codeforces.me/contest/1279/problem/D
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