import math
a=int(input())
if a<=6:
    print("3")
elif a>6 and a<=12:
    print("4")
elif a>12 and a<=22:
    print("5")
elif a>22 and a<=32:
    print("6")
elif a>32:
    b=(a-32)/20
    c=math.ceil(b)
    print(c+6)

import math
a=int(input())
if a<=6:
print(3)
elif a<=12:
print(4)
elif a<=32:
print(6+math.ceil((a-32)/10))
else:
print(6+math.ceil((a-32)/20))

数据弱到打表都能过。。。

l=[3,3,3,3,3,3,3,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11]
print(l[int(input())])

mport math
a=int(input())
if a<=6:
print(3)
elif a<=12:
print(4)
elif a<=22:
print(5)
elif a<=32:
print(6)
else:
print(6+math.ceil((a-32)/20))

import math
a=int(input())

b=math.ceil((a-32)/20)+6
if a<=6:
print(3)
elif a>6 and a<=12:
print(4)
elif a>12 and a<=22:
print(5)
elif a>22 and a<=32:
print(6)
else:
print(b)

见识一下什么叫暴力算法
仅限娱乐

#include <stdio.h>
#include<iostream>
//C++
using namespace std;
int main()
{
    int a;
    cin>>a; 
    if(a<=6){cout<<"3";return 0;}
    else if(a<=12){cout<<"4";return 0;}
    else if(a<=22){cout<<"5";return 0;}
    else if(a<=32){cout<<"6";return 0;}
    else if(a<=52){cout<<"7";return 0;}
    else if(a<=72){cout<<"8";return 0;}
    else if(a<=92){cout<<"9";return 0;}
    else if(a<=102){cout<<"10";return 0;}
    else if(a<=122){cout<<"11";return 0;}
/*当然要娱乐一下了，所以直接注释
    else{
        a-=32;
        int k=0;
        if(a<20){
            cout<<"7";return 0;
        }
        while(a>=20){
            a-=20;
            k++;
        }
        cout<<k;
    }*/
}

#不需要向上取整函数的题解
s=int(input())
if s<=6:
m=3
elif s>6 and s<=12:
m=4
elif s>12 and s<=22:
m=5
elif s>22 and s<=32:
m=6
else:
if (s-32)%20==0:
m=6+(s-32)//20
else:
m=6+((s-32)//20)+1
print(m)

import math
m=int(input())
if m<=6:
print(3)
elif m>6 and m<=12:
print(4)
elif m>12 and m<=22:
print(5)
elif m>22 and m<=32:
print(6)
else:
print(6+math.ceil((m-32)/20))

#include <iostream>
#include <math.h>
#include <iomanip>

using namespace std;

int main()
{
int length, price;
cin >> length;
if(length <= 6)
{
price = 3;
}
else if(length <= 12 && length > 6)
{
price = 4;
}
else if(length <= 22 && length > 12)
{
price = 5;
}
else if(length <= 32 && length > 22)
{
price = 6;
}
else
{
price = 6 + ceil((length - 32) / 20.0);
}
cout << price;
return 0;
}

数据挺真实/斜眼笑，里程不超过112公里。
x=int(input())
if(x<=6):
print(3)
elif(x<=12):
print(4)
elif(x<=22):
print(5)
elif(x<=32):
print(6)
elif(x<=52):
print(7)
elif(x<=72):
print(8)
elif(x<=92):
print(9)
elif(x<=112):
print(10)

import math
a=int(input())
if a<=6:
print(3)
elif a<=12:
print(4)
elif a<=32:
print(6+math.ceil((a-32)/10))
else:
print(6+math.ceil((a-32)/20))

import math
N=int(input())
if N<=6:
print(3)
elif N>6 and N<=12:
print(4)
elif N>12 and N<=22:
print(5)
elif N>22 and N<=32:
print(6)
else:
print(6+math.ceil((N-32)/20))

import math
s=int(input())
if s<=6:
print(3)
if s>6 and s<=12:
print(4)
if s>12 and s<=22:
print(5)
if s>22 and s<=32:
print(6)
if s>32:
print(6+math.ceil((s-32)/20))

import math
a=int(input())
if a<=6:
    print(3)
if a>6 and a<=12:
    print(4)
if a>12 and a<=22:
    print(5)
if a>22 and a<=32:
    print(6)
if a>32:
    print(6+math.ceil((a-32)/20))

import math
a=int(input())
if a<=6:
    print(3)
if a>6 and a<=12:
    print(4)
if a>12 and a<=22:
    print(5)
if a>22 and a<=32:
    print(6)
if a>32:
    print(6+math.ceil((a-32)/20))