hdoj 1161 Eddy's mistakes

http://acm.hdu.edu.cn/showproblem.php?pid=1161

 

Eddy's mistakes

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 7434    Accepted Submission(s): 4186

Problem Description

Eddy usually writes articles ,but he likes mixing the English letter uses, for example "computer science" is written frequently "coMpUtEr scIeNce" by him, this mistakes lets Eddy's English teacher be extremely discontentment.Now please you to write a procedure to be able in the Bob article English letter to turn completely the small letter.

 

Input

The input contains several test cases.each line consists a test case，Expressed Eddy writes in an article , by letter, blank space,numeral as well as each kind of punctuation
composition, the writing length does not surpass 1000 characters.

 

Output

For each test case, you should output an only line, after namely the result of transforms the lowercase letter.

 

Sample Input

  

   weLcOmE tO HDOj Acm 2005!
  

 

Sample Output

  

   welcome to hdoj acm 2005!
  

 

#include<stdio.h>
#include<string.h>
int main()
{
    int i,j,k,n;
    char s[2000];
    while(gets(s)!=NULL)
    {
         n=strlen(s);
         for(i=0;i<n;i++)
         {
              if(s[i]>='A'&&s[i]<='Z')
              s[i]+=('a'-'A');
              printf("%c",s[i]);
         }
         printf("\n");
    }
    return 0;
}