Cody

Problem 1576. Mean and standard deviation of times in string

Solution 2887073

Submitted on 28 Aug 2020
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Test Suite

Test Status Code Input and Output
1   Fail
x = {'45.5','1:04.8','55.4'}; y_correct = '55.2'; z_correct = '9.7' [a,b]=mean_std(x); assert(isequal(a,y_correct)&isequal(b,z_correct))

z_correct = '9.7'

Index exceeds the number of array elements (1). Error in mean_std (line 6) n = str2num(p{i}); Error in Test1 (line 4) [a,b]=mean_std(x);

2   Fail
x = {'1:38.4','2:12.9','2:00.6'}; y_correct = '1:57.3'; z_correct = '17.5'; [a,b]=mean_std(x); assert(isequal(a,y_correct)&isequal(b,z_correct))

Index exceeds the number of array elements (2). Error in mean_std (line 6) n = str2num(p{i}); Error in Test2 (line 4) [a,b]=mean_std(x);

3   Fail
x = {'10:00.0','5:00.0','3:00.0','1:00.0'}; y_correct = '4:45.0'; z_correct = '3:51.7'; [a,b]=mean_std(x); assert(isequal(a,y_correct)&isequal(b,z_correct))

Index exceeds the number of array elements (2). Error in mean_std (line 6) n = str2num(p{i}); Error in Test3 (line 4) [a,b]=mean_std(x);

4   Fail
x = {'1:01.1','2:02.2','3:03.3','4:04.4'}; y_correct = '2:32.8'; z_correct = '1:18.9'; [a,b]=mean_std(x); assert(isequal(a,y_correct)&isequal(b,z_correct))

Index exceeds the number of array elements (2). Error in mean_std (line 6) n = str2num(p{i}); Error in Test4 (line 4) [a,b]=mean_std(x);

5   Fail
x = {'50.7','1:02.3','59.4','57.3','1:00.4'}; y_correct = '58.0'; z_correct = '4.5'; [a,b]=mean_std(x); assert(isequal(a,y_correct)&isequal(b,z_correct))

Index exceeds the number of array elements (1). Error in mean_std (line 6) n = str2num(p{i}); Error in Test5 (line 4) [a,b]=mean_std(x);

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