2054 A == B ?

Problem Description

Give you two numbers A and B, if A is equal to B, you should print "YES", or print "NO".

 

 

Input

each test case contains two numbers A and B.

 

 

Output

for each case, if A is equal to B, you should print "YES", or print "NO".

 

 

Sample Input

1 2 2 2 3 3 4 3

 

 

Sample Output

NO YES YES NO

 

#include<iostream>
#include <cstring>
#include <stdio.h>
using namespace std;
const int MAX = 100000;
void zero(char *str)//去后前面的零，保留小数点，没小数点的给他加一个
{
    int i,len;
    len = strlen(str);
    char *p = strchr(str,'.');
    if(p == NULL)
    {
        str[len] = '.';
        str[len+1] = '\0';
    }
    else
    {
        for(i=len-1; i>=0; i--)
        {
            if(str[i] != '0')
            {
                str[i+1] = '\0';
                return;
            }
        }
    }
}
int main()
{
    char num1[MAX];
    char num2[MAX];
    char *p,*q;
    while(scanf("%s%s",num1,num2) != EOF)
    {
        zero(num1);
        zero(num2);
        p=num1;
        q=num2;
        while(*p=='0')//去掉前面的零
        {
            p++;
        }
        while(*q=='0')//去掉前面的零
        {
            q++;
        }
        if(!strcmp(p,q))
        {
            printf("YES\n");
        }
        else
        {
            printf("NO\n");
        }
    }
    return 0;
}

函数strchr（s,'c')的作用是（查找字符串s中首次出现字符c的位置）