ACM

[Accept] 10110 Light, more light

ssuk1010 2009. 6. 2. 21:05
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I got accept from Judge Server.

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#include <stdio.h>
#include <math.h>
 
int main(void)
{
    unsigned long number, i, light=OFF;
    unsigned long maxNum = (unsigned long)(pow((double)2,(double)32)-1);
    while( scanf("%u", &number) && number )
    {
        if( number > maxNum ){
            //printf("!!! %u\n", number);
            return 0;
        }
 
        light = (unsigned long)sqrt(number);
        if( light*light == number )
            printf("yes\n");
        else
            printf("no\n");
 
        light = OFF;
    }
    return 0;
}

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