C/C++の宿題を片付けます 87代目

C/C++の宿題を片付け� ..

166:デフォルトの名無しさん
07/05/16 13:02:59
>>162
#include <stdio.h>
#include <string.h>
int main()
{
printf("Input decimal number.:");
int num = 0;
scanf("%d", & num);
if (num > 255 || num < 0) {
fprintf(stderr, "Illegal number.\n");
return 1;
}
char buf[4];
sprintf(buf, "%03o", num);
printf("binary number:");
for (int ic = 0; ic < 3; ++ic) {
static char const * const binaries[] = {
"000", "001", "010", "011", "100", "101", "110", "111"
};
printf("%s", binaries[buf[ic] - '0'] + (ic == 0 ? 1 : 0));
}
printf("\n");
return 0;
}

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