题解 | 凯撒解密
凯撒解密
https://www.nowcoder.com/practice/42c2f0c1351e4a6689ff64eddaf97a37
#include<stdio.h>
#include<string.h>
char* decodeWangzai(char* s, int n ) {
scanf("%s %d",s,&n);
int len =strlen(s);
for(int i=0;i<len;i++)
{
int temp = s[i]-'a';
temp=(temp-n)%26;
if(temp>=0){
s[i]='a'+temp;
}
else {
s[i]='a'+temp+26;
}
}
return s;
}
