Posts
Codeforces Round 801
Educational Codeforces Round 130
Educational Codeforces Round 129
n&-n
Infinitude of Primes
Baekjoon Online Judge 23575
Baekjoon Online Judge 18381
Educational Codeforces Round 111
Codeforces Round 730
Codeforces Round 729
Integral Babylonian Method
Codeforces Round 728
Legendre's three-square theorem
Euclidean Algorithm
subscribe via RSS