题解 | 字符串加解密
字符串加解密
https://www.nowcoder.com/practice/2aa32b378a024755a3f251e75cbf233a
#include <iostream>
using namespace std;
int main() {
string str1;
getline(cin, str1);
for (char& c : str1) {
switch (c) {
case 'A' ... 'Y':
c += 33;
break;
case 'Z':
c = 'a';
break;
case 'a' ... 'y':
c -= 31;
break;
case 'z':
c = 'A';
break;
case '0' ... '8':
c += 1;
break;
case '9':
c = '0';
break;
default:
break;
}
}
string str2;
getline(cin, str2);
for (char& c : str2) {
switch (c) {
case 'B' ... 'Z':
c += 31;
break;
case 'A':
c = 'z';
break;
case 'b' ... 'z':
c -= 33;
break;
case 'a':
c = 'Z';
break;
case '1' ... '9':
c -= 1;
break;
case '0':
c = '9';
break;
default:
break;
}
}
cout << str1 << endl;
cout << str2 << endl;
return 0;
}
// 64 位输出请用 printf("%lld")
