ํฐ์คํ ๋ฆฌ ๋ทฐ
#include <stdio.h>
unsigned int get_decimal (char binary[]);
int check_binary(char binary[]);
int main(void)
{
char binary[33] = {0,}; //๋ฐฐ์ด์์ด๊ธฐํ. 32๋นํธ์2์ง์์๋ฌธ์์ด๋ฐฐ์ด์ด๋ฏ๋ก๋ง์ง๋ง์๊ณต๋ฐฑ์์ํ1์นธ์ถ๊ฐ
unsigned int result;
int check;
printf("2์ง์โ์ง์๋ณํํ๋ก๊ทธ๋จ\n");
printf("32์๋ฆฌ์2์ง์๊น์ง๊ณ์ฐ๊ฐ๋ฅํฉ๋๋ค.\n");
printf("( 0 ์์ ๋ ฅํ๋ฉดํ๋ก๊ทธ๋จ์ด์ข ๋ฃ๋ฉ๋๋ค. )\n\n");
printf("์ซ์๋ฅผ์ ๋ ฅํ์ธ์: ");
scanf("%s", binary);
while(binary[0] != '0'){
check = check_binary(binary);
if (check == 1)
{
result = get_decimal(binary);
printf("\n%s๋ฅผ10์ง์๋ก๋ณํํ๋ฉด%u ์ ๋๋ค.\n", binary, result);
printf("-------------------------------------\n");
printf("์ซ์๋ฅผ์ ๋ ฅํ์ธ์: ");
}
scanf("%s", binary);
}
printf("ํ๋ก๊ทธ๋จ์์ข ๋ฃํฉ๋๋ค.\n");
return 0;
}
unsigned int get_decimal(char binary[]){
int i;
unsigned int sum = 0;
for(i=0; binary[i] != 0; i++) //์ฌ์ฉ์๊ฐ'0', '1' ์ ๋ ฅ์๋ง์น์ง์ ๊น์ง
{
if(binary[i] == '1')
sum = sum*2 + 1;
else // binary[i] == '0'
sum = sum*2 + 0;
}
return sum;
}
int check_binary(char binary[]) // ์ฌ์ฉ์๊ฐ์ ๋ ฅํ์์ค์์0,1 ์ด์ธ์๊ฐ์ด์์ผ๋ฉด0 ๋ฐํ, ๋ฌธ์ ์์ผ๋ฉด1๋ฐํ
{
int i;
for(i=0; binary[i] != 0; i++){
if(binary[i] == '0' || binary[i] == '1')
;
else
{
printf("0,1 ์ด์ธ์์ซ์๊ฐ์์ต๋๋ค. ๋ค์์ ๋ ฅํ์ธ์: ");
return 0;
}
}
return 1;
}
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