forked from github/server
23 lines
509 B
C
23 lines
509 B
C
#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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int main(int argc, char ** argv)
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{
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char key[4];
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char code[4];
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char result[4];
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int a, i, rot;
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for (a=1;a<argc;++a) {
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const char * str = argv[a];
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size_t len = strlen(str);
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str = str+len-6;
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memcpy(key, str, 3);
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memcpy(code, str+3, 3);
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result[3] = key[3] = code[3] = 0;
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rot=atoi(key);
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for(i=0;i!=3;++i) result[(i+rot)%3] = ((code[i]+10-key[i])%10)+'0';
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printf("%s %s\n", argv[a], result);
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}
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return 0;
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}
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