📑 3D Printing 2

Codejam Qualification Round 2022. Task 2 Variant 2

Python Only

def gen_vector(v,s=10**6):
    if sum(v) < s:
        yield 'IMPOSSIBLE'
    else:
        for c in range(v[0],1,-1):
            m=min([v[1],10**6-c])
            y=min([v[2],10**6-c-m])
            k=10**6-c-m-y
            yield '%d %d %d %d'%(c,m,y,k)
T=int(input())
for t in range(T):
    N=[]
    for i in range(3):
        N.append(list(map(int,input().split())))
    v=[min([N[i][j] for i in range(3)]) 
       for j in range(4)]
    print('Case #%d: %s'%(t+1,next(gen_vector(v))))