Hello Everyone,
I am facing wrong answer in the Saving the Universe again test set 2. I can't
find out why. Please help me. My code is written in Python 3
Here is my code:
for j in range(int(input())):
result = 0
d, inst = input().split()
d = int(d)
inst = list(inst)
num_s = inst.count('S')
# Impossible case
if num_s > d:
print("Case #{}: IMPOSSIBLE".format(j+1))
continue
# Possible case
dic = [0]
i = 0
total = 0
for char in inst:
if char == 'S':
total += (2**i)
dic[i]+=1
else:
i+=1
dic.append(0)
score = total
while d < score:
if dic[-1] ==0:
dic.pop()
result +=1
score -= (2**(len(dic)-2))
dic[-1] -= 1
dic[-2] += 1
print("Case #{}: {}".format(j+1,result))
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