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Critical Mass  During the early stages of the Manhattan Project, the dangers of the new radioctive materials were not widely known. Vast new factory cities were built to manufacture uranium

Problem A: Bee  The Problem In Africa there is a very special species of bee. Every year, the female bees of such species give birth to one male bee, while the male bees give birth to on

Brick Wall Patterns If we want to build a brick wall out of the usual size of brick which has a length twice as long as its height, and if our wall is to be two units tall, we can make our wall in

#include using namespace std; int main() {     int n,i,m,times;     long long a[51];     a[1]=2;     a[2]=3;     for(i=3;i     {         a[i]=a[i-2]+a[i-1];     }     cin>>n;     for(