SWS I开源

使用说明（使用则代表同意）

1. 本开源不得用于任何商用行为。
2. 本开源的最终解释权为Xuher个人所有 。

加密

#include<bits/stdc++.h>
using namespace std;
char a;
int b=0;
int q=0;
string z="31415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"; 
int main()
{freopen("in.txt","r",stdin);freopen("out.txt","w",stdout); srand(time(NULL));int zz=0+rand()%101;int m=(z[zz]-'0'+1);int m1=zz%26;int m2=zz/26;cout<<char('A'+m1)<<m2;while(1){a=getchar();if(a==EOF)break;int cl=int(a);cl*=m;cl+=q;q=int(a);cl+=b%10;b=cl;int o1=cl%26;int o2=cl/26;cout<<char(o1+'A');cout<<o2; }return 0;
}

解密

#include<bits/stdc++.h>
using namespace std;
char a,a1,a2;
int q=0,b=0;
string z="31415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"; 
int read()
{if(a==EOF){return -1;}int bo=a-'A',b=0;a=getchar();while(isdigit(a)){b*=10;b+=a-'0';a=getchar();}return bo+b*26;} 
int main()
{freopen("in.txt","r",stdin);freopen("out.txt","w",stdout);a=getchar();int zz=read();int m=(z[zz]-'0'+1);while(1){int aa=read();if(aa==-1)break;int b2=aa;aa-=q;aa-=b%10;aa/=m;q=aa;b=b2;cout<<char(aa);}return 0;
}