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Really Upset -- Problem 1138

DONE 6352. Really Upset
2008-09-07 15:46:04 #include<stdio.h>
int main(){
    unsigned int n, k, i;    /*   AC  */
        int n, k, i;             /*  TLE  */
    double tmp;
    while(scanf("%d%d", &n, &k) && n){
        if(2 * k > n)
            k = n - k;
        tmp = 1.0;
        for(i = 0; i < k; i++)
            tmp *= (n-i);
        for(i = k; i > 1; i--){
            tmp /= i;
        }
        printf("%.0lf\n", tmp);
    }
    return 0;
}

Too careless of myself!
OneProblemOneDay 6576. Re:Really Upset
2008-11-29 13:56:51 ugly
  1

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