1905E

CF1905E One-X

map<ll, pll> mp; pll calc(ll n) { if(mp.find(n) != mp.end()) return mp[n]; auto [lk, lb] = calc((n + 1) / 2); auto [rk, rb] = calc(n / 2); ll t = (q_p ......
1905E One-X 1905 One CF
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