Codeforces #282 div2 ABC_html/css_WEB-ITnose

A. Digital Counter

time limit per test

1 second

memory limit per test

256 megabytes

input

standard input

output

standard output

Malek lives in an apartment block with 100 floors numbered from 0 to 99. The apartment has an elevator with a digital counter showing the floor that the elevator is currently on. The elevator shows each digit of a number with 7 light sticks by turning them on or off. The picture below shows how the elevator shows each digit.

One day when Malek wanted to go from floor 88 to floor 0 using the elevator he noticed that the counter shows number 89 instead of 88. Then when the elevator started moving the number on the counter changed to 87. After a little thinking Malek came to the conclusion that there is only one explanation for this: One of the sticks of the counter was broken. Later that day Malek was thinking about the broken stick and suddenly he came up with the following problem.

Suppose the digital counter is showing number n. Malek calls an integer x (0?≤?x?≤?99) good if it's possible that the digital counter was supposed to show x but because of some(possibly none) broken sticks it's showing n instead. Malek wants to know number of good integers for a specific n. So you must write a program that calculates this number. Please note that the counter always shows two digits.

Input

The only line of input contains exactly two digits representing number n (0?≤?n?≤?99). Note that n may have a leading zero.

Output

In the only line of the output print the number of good integers.

Sample test(s)

Input

89

Output

Input

00

Output

Input

73

Output

15

Note

In the first sample the counter may be supposed to show 88 or 89.

In the second sample the good integers are 00, 08, 80 and 88.

In the third sample the good integers are 03,?08,?09,?33,?38,?39,?73,?78,?79,?83,?88,?89,?93,?98,?99.

#include #include #include #include #include #include #define N 1000#define ll __int64using namespace std;int vis[20]={2,7,2,3,3,4,2,5,1,2};//电梯数字显示出现不同程度损坏，可能有一个或几个stick熄灭，算出每个数字存在的情况

int main()

{    int n;    while(~scanf("%d",&n))    {        int ans=1;        int a=n%10;        int b=n/10;        ans*=vis[a];        ans*=vis[b];        cout  
  
   
    B. Modular Equations   
   
    
     time limit per test    
 1 second      
    
     memory limit per test    
 256 megabytes      
    
     input    
 standard input      
    
     output    
 standard output       
   
Last week, Hamed learned about a new type of equations in his math class called Modular Equations. Lets define i modulo j as the remainder of division of i by j and denote it by . A Modular Equation, as Hamed's teacher described, is an equation of the form  in which a and b are two non-negative integers and x is a variable. We call a positive integer x for which  a solution of our equation.
   
Hamed didn't pay much attention to the class since he was watching a movie. He only managed to understand the definitions of these equations.
   
Now he wants to write his math exercises but since he has no idea how to do that, he asked you for help. He has told you all he knows about Modular Equations and asked you to write a program which given two numbers a and b determines how many answers the Modular Equation  has.
    
   
    Input   
   
In the only line of the input two space-separated integers a and b (0?≤?a,?b?≤?109) are given.
    
   
    Output   
   
If there is an infinite number of answers to our equation, print "infinity" (without the quotes). Otherwise print the number of solutions of the Modular Equation .
    
   
    Sample test(s)   
   
    
     
      Input     
     
21 5
        
     
      Output     
        
     
      Input     
     
9435152 272
        
     
      Output     
     
282
        
     
      Input     
     
10 10
        
     
      Output     
     
infinity
           
   
    Note   
   
In the first sample the answers of the Modular Equation are 8 and 16 since 
    
#include #include #include #include #include #include #define N 10000009#define ll __int64using namespace std;//a=b+kx;因为数据比较大10^9，所有不能直接暴力，稍微转化一下
  
int main(){    ll a,b;    while(~scanf("%I64d%I64d",&a,&b))    {        ll c=a-b;        if(a==b)        {            printf("infinity\n");            continue;        }        if(ab)                {                    ans++;                }                if( i*ib) )                  ans++;            }        }        cout  
   
    C. Treasure   
   
    
     time limit per test    
 2 seconds      
    
     memory limit per test    
 256 megabytes      
    
     input    
 standard input      
    
     output    
 standard output       
   
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' and '#'. Below there was a manual on how to open the door. After spending a long time Malek managed to decode the manual and found out that the goal is to replace each '#' with one or more ')' characters so that the final string becomes beautiful. 
   
Below there was also written that a string is called beautiful if for each i (1?≤?i?≤?|s|) there are no more ')' characters than '(' characters among the first i characters of s and also the total number of '(' characters is equal to the total number of ')' characters. 
   
Help Malek open the door by telling him for each '#' character how many ')' characters he must replace it with.
    
   
    Input   
   
The first line of the input contains a string s (1?≤?|s|?≤?105). Each character of this string is one of the characters '(', ')' or '#'. It is guaranteed that s contains at least one '#' character.
    
   
    Output   
   
If there is no way of replacing '#' characters which leads to a beautiful string print ?-?1. Otherwise for each character '#' print a separate line containing a positive integer, the number of ')' characters this character must be replaced with.
   
If there are several possible answers, you may output any of them.
    
   
    Sample test(s)   
   
    
     
      Input     
     
(((#)((#)
        
     
      Output     
     
12
        
     
      Input     
     
()((#((#(#()
        
     
      Output     
     
221
        
     
      Input     
        
     
      Output     
     
-1
        
     
      Input     
     
(#)
        
     
      Output     
     
-1
           
   
    Note   
   
|s| denotes the length of the string s.
    
  
  
#include #include #include #include #include #include #define N 100009using namespace std;char str[N];vector t;int main(){    while(~scanf("%s",str))    {        int a=0,b=0,c=0;        int num=0;        int len=strlen(str);        for(int i=0;i