43 lines
614 B
C++
43 lines
614 B
C++
#include<cstdio>
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using namespace std;
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void xiao(char *x)
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{
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if(*x>='A'&&*x<='Z') *x+=32;
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}
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char turn(char key,char w)
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{
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xiao(&key);
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int x=key-'a';
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if(w>='A'&&w<='Z')
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{
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int m=w-'A';
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m-=x;
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m+=26;
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m=m%26;
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return char('A'+m);
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}
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if(w>='a'&&w<='z')
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{
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int m=w-'a';
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m-=x;
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m+=26;
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m=m%26;
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return char('a'+m);
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}
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}
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int main()
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{
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char k[110],m[1000],x;
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int lenK=0,lenM=0;
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while(x=getchar(),x!='\n') k[lenK++]=x;
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while(x=getchar(),x!='\n') m[lenM++]=x;
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char c[lenM];
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for(int i=0;i<lenM;i++)
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c[i]=turn(k[i%lenK],m[i]);
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for(int i=0;i<lenM;i++)
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printf("%c",c[i]);
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printf("\n");
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return 0;
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}
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