greatest common divisor

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Code Chef:cool Guys

All submissions to this problem are available. Given an integer N. Integers A and B are chosen randomly in the range [1..N]. Calculate the probability that greatest Common Divisor (GCD) of A and b equals to b. Input The ' The ' input contains an

Hdu 4497 GCD and LCM (number theory & combinatorial mathematics)

GCD and LCM Time limit:2000/1000 MS (java/others) Memory limit:65535/65535 K (java/others) Problem Description Given two positive integers G and L, could you tell me how many solutions of (x, Y, z)

UVa 11827 Maximum gcd:gcd& reading skills

11827-maximum GCD Time limit:1.000 seconds Http:// &problem=2927 Given the N integers, you have to find the maximum GCD (greatest common divisor) of every

UVa 11417 GCD (Euler φ function)

11417-gcd Time limit:2.000 seconds Http:// &problem=2412 Given the value of N, you'll have to find the value of G. The definition of G is given below:

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