Magic Stones
Grigory has $n$ magic stones, conveniently numbered from $1$ to $n$. The charge of the $i$-th stone is equal to $c_i$. Sometimes Grigory gets bored and selects […]
Magic Stones
Grigory has $n$ magic stones, conveniently numbered from $1$ to $n$. The charge of the $i$-th stone is equal to $c_i$. Sometimes Grigory gets bored and selects […]