Cody

# Problem 1855. Usage of java.math : N Choose K with unlimited precision

Solution 1326472

Submitted on 3 Nov 2017 by David Verrelli
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### Test Suite

Test Status Code Input and Output
1   Pass
tic N=5;K=2; NK=nchoosekJava(N,K); toc assert(strcmp(NK,num2str(nchoosek(N,K))))

numerator = 5 denominator = 1 y = '10' Elapsed time is 0.025707 seconds.

2   Pass
tic N=randi(10); K=randi(N); NK=nchoosekJava(N,K); toc assert(strcmp(NK,num2str(nchoosek(N,K))))

numerator = 5 denominator = 1 y = '5' Elapsed time is 0.006427 seconds.

3   Pass
tic N=100; K=50; NK=nchoosekJava(N,K); toc assert(strcmp(NK,'100891344545564193334812497256'))

numerator = 100 denominator = 1 y = '100891344545564193334812497256' Elapsed time is 0.017300 seconds.

4   Pass
tic N=200; K=75; NK=nchoosekJava(N,K); toc assert(strcmp(NK,'168849997346404286704489530268603459022868706883102845056'))

numerator = 200 denominator = 1 y = '168849997346404286704489530268603459022868706883102845056' Elapsed time is 0.015100 seconds.