樱花沐月 @ 2017-01-16 22:02:37
#include<cstdio>
#include<iostream>
#include<cstring>
using namespace std;
char str[1000];
int n, i, x, s;
int main()
{
cin >> n;
scanf("%s", &str);
if (n == 26) {
cout << str;
return 0;
}
x = strlen(str);
for (i = 0;i < x;i++) {
if (str[i] >= 'A' && str[i] <= 'Z') str[i] = char(int(str[i]) + 'a' - 'A');
if (str[i] == 'z') str[i] = char(96);
s = int(str[i]) + n % 26;
if (s > 122) s = s - 122 + 96;
str[i] = char(s);
}
cout << str;
return 0;
}by xiajieke @ 2017-01-22 16:25:51
#include<stdio.h>
#include<string.h>
int main()
{
int n,i,j,k;
char a[100];
scanf("%d %s",&n,ch);
int l=strlen(ch);
for(i=0;i<l;i++)
{
a[i]=((a[i]-'a')+n)%26+('a');
}
puts(a);
return 0;
}