Problem 7-7 replacement string (15 minutes)

This problem requires programming, given the string of capital letters corresponding to the following replacement rule:

Original letter	The corresponding letter
A	FROM
B	Y
C	X
D	W
…	…
X	C
Y	B
FROM	A

Input formats:

Does not exceed a given input string of 80 characters, and a carriage return at the end of a row.

Output formats:

Replacement string given output row is completed.

Sample input:

Only the 11 CAPItaL LeTtERS are replaced.

 

Sample output:

Lnly the 11 XZKRtaO OeGtVIH are replaced.

answer:

#include<stdio.h>
#include<string.h>
int main(){
    char s[85];
    char c;
    char a[]={'Z'};
    scanf("%[^\n]",&s);
    int len=strlen(s);
    for(int i=0;i<len;i++){
        if(s[i]>='A'&&s[i]<='Z'){
            printf("%c",155 - s[i]);
        }else{
            printf("%c",s[i]);
        }
    }
    return 0;
}