11387.몬스터 사냥
풀이
T = int(input())
for tc in range(1, T + 1):
D, L, N = map(int, input().split())
n = 0
total = 0
for _ in range(N):
total += D + ((D//100) * n* L)
n += 1
print(f'#{tc} {total}')