20 lines
535 B
C
20 lines
535 B
C
#include "stdlib.h"
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#define NULL 0x00
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int main(void)
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{
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if ( isdigit((int)'0') != 1 ) return 1;
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if ( isdigit((int)'1') != 1 ) return 2;
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if ( isdigit((int)'2') != 1 ) return 3;
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if ( isdigit((int)'3') != 1 ) return 4;
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if ( isdigit((int)'4') != 1 ) return 5;
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if ( isdigit((int)'5') != 1 ) return 6;
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if ( isdigit((int)'6') != 1 ) return 7;
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if ( isdigit((int)'7') != 1 ) return 8;
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if ( isdigit((int)'8') != 1 ) return 9;
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if ( isdigit((int)'9') != 1 ) return 10;
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if ( isdigit((int)'a') != 0 ) return 11;
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return 0;
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}
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