Cody

# Problem 44344. The 5th Root

Solution 2578344

Submitted on 18 Jun 2020
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('fifth_root.m'); assert(isempty(strfind(filetext, '^')),'^ forbidden') assert(isempty(strfind(filetext, 'power')),'power() forbidden') assert(isempty(strfind(filetext, 'mpower')),'mpower() forbidden') assert(isempty(strfind(filetext, 'realpow')),'realpow() forbidden') assert(isempty(strfind(filetext, 'nthroot')),'nthroot() forbidden') assert(isempty(strfind(filetext, 'roots')),'roots() forbidden')

2   Fail
n = 1/9765625; assert(abs(fifth_root(n)-1/25)<1e-5)

a = 3.2000e-04 a = 0.0179 b = 3.2000e-04 b = 0.0179

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test2 (line 2) assert(abs(fifth_root(n)-1/25)<1e-5)

3   Fail
n = 1/5555; assert(abs(fifth_root(n)-0.178263811215444)<1e-5)

a = 0.0134 a = 0.1158 b = 0.0134 b = 0.1158

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test3 (line 2) assert(abs(fifth_root(n)-0.178263811215444)<1e-5)

4   Fail
n = 1/3125; assert(abs(fifth_root(n)-1/5)<1e-5)

a = 0.0179 a = 0.1337 b = 0.0179 b = 0.1337

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test4 (line 2) assert(abs(fifth_root(n)-1/5)<1e-5)

5   Fail
n = 1/125; assert(abs(fifth_root(n)-0.380730787743176)<1e-5)

a = 0.0894 a = 0.2991 b = 0.0894 b = 0.2991

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test5 (line 2) assert(abs(fifth_root(n)-0.380730787743176)<1e-5)

6   Fail
n = 1/5; assert(abs(fifth_root(n)-0.724779663677696)<1e-5)

a = 0.4472 a = 0.6687 b = 0.4472 b = 0.6687

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test6 (line 2) assert(abs(fifth_root(n)-0.724779663677696)<1e-5)

7   Fail
n = 1; assert(abs(fifth_root(n)-1)<1e-5)

a = 1 a = 1 b = 1 b = 1

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test7 (line 2) assert(abs(fifth_root(n)-1)<1e-5)

8   Fail
n = 5; assert(abs(fifth_root(n)-1.37972966146121)<1e-5)

a = 2.2361 a = 1.4953 b = 2.2361 b = 1.4953

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test8 (line 2) assert(abs(fifth_root(n)-1.37972966146121)<1e-5)

9   Fail
n = 25; assert(abs(fifth_root(n)-1.90365393871588)<1e-5)

a = 5 a = 2.2361 b = 5 b = 2.2361

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test9 (line 2) assert(abs(fifth_root(n)-1.90365393871588)<1e-5)

10   Fail
n = 50; assert(abs(fifth_root(n)-2.18672414788656)<1e-5)

a = 7.0711 a = 2.6591 b = 7.0711 b = 2.6591

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test10 (line 2) assert(abs(fifth_root(n)-2.18672414788656)<1e-5)

11   Fail
n = 500; assert(abs(fifth_root(n)-3.46572421577573)<1e-5)

a = 22.3607 a = 4.7287 b = 22.3607 b = 4.7287

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test11 (line 2) assert(abs(fifth_root(n)-3.46572421577573)<1e-5)

12   Fail
n = 3125; assert(abs(fifth_root(n)-5)<1e-5)

a = 55.9017 a = 7.4767 b = 55.9017 b = 7.4767

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test12 (line 2) assert(abs(fifth_root(n)-5)<1e-5)

13   Fail
n = 759375; assert(abs(fifth_root(n)-15)<1e-5)

a = 871.4213 a = 29.5198 b = 871.4213 b = 29.5198

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test13 (line 2) assert(abs(fifth_root(n)-15)<1e-5)

14   Fail
n = 9765625; assert(abs(fifth_root(n)-25)<1e-5)

a = 3125 a = 55.9017 b = 3125 b = 55.9017

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test14 (line 2) assert(abs(fifth_root(n)-25)<1e-5)

15   Fail
n = 312500000; assert(abs(fifth_root(n)-50)<1e-5)

a = 1.7678e+04 a = 132.9574 b = 1.7678e+04 b = 132.9574

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test15 (line 2) assert(abs(fifth_root(n)-50)<1e-5)

16   Fail
n = 75937500000; assert(abs(fifth_root(n)-150)<1e-5)

a = 2.7557e+05 a = 524.9453 b = 2.7557e+05 b = 524.9453

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test16 (line 2) assert(abs(fifth_root(n)-150)<1e-5)

17   Fail
n = 31250000000000; assert(abs(fifth_root(n)-500)<1e-5)

a = 5.5902e+06 a = 2.3644e+03 b = 5.5902e+06 b = 2.3644e+03

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test17 (line 2) assert(abs(fifth_root(n)-500)<1e-5)

18   Fail
n = 52658067346875; assert(abs(fifth_root(n)-555)<1e-5)

a = 7.2566e+06 a = 2.6938e+03 b = 7.2566e+06 b = 2.6938e+03

Output argument "f" (and maybe others) not assigned during call to "fifth_root". Error in Test18 (line 2) assert(abs(fifth_root(n)-555)<1e-5)