蓝桥杯算法提高VIP-分数统计-题解(Python代码)

n=int(input())
a=[int(i) for i in input().split()]
b=[[],[],[],[],[]]
for i in a:
    if i>=90 and i<=100:
        b[0].append(i)
    if i>=80 and i<=89:
        b[1].append(i)
    if i>=70 and i<=79:
        b[2].append(i)
    if i>=60 and i<=69:
        b[3].append(i)
    if i >=0 and i<=59:
        b[4].append(i)
for i in range(len(b)-1):
    print(len(b[i]),end=' ')
print(len(b[4]))
b.sort(key=len)
print(len(b[4]))
b[4].sort(key=int)
b[4].reverse()
for i in b[4]:
    print(i,end=' ')