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http://www.hackerschool.org/HS_Boards/zboard.php?AllArticle=true&no=33165 [º¹»ç]


#include <stdio.h>
int main(void)
{
        int a, z;
        int result;

        for(a=0; a<10; a++)
        {
                for(z=0; z<10; z++)
                {
                        if(a==z)
                                continue;
                        result=(a*10+z)+(z*10+a);
                        if(result==99)
                                printf("%d%d+%d%d=%d\n", a, z, z, a, result);
                }
        }
        return 0;
}

Àú ±Ã±ÝÇÑ°Ô¿ä ´äÀÌ

09+90=99
18+81=99
.
.
.
90+09=99
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if(a==z)
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