qq_41109939的博客

原创 小白求教，段错误

#include<stdio.h> int main() { int i=0,n; char str[88]; while(str[i]=getchar()!='\n'){i++;} str[i]='\0'; scanf(" %d",&n); while(n<0){n=n+26;} n=n%26; for(i=0;str[i]!='\0';i++){ if(str[i]>='A'&&str[i]<='Z'){