Cody

Problem 189. Sum all integers from 1 to 2^n

Solution 1936839

Submitted on 15 Sep 2019 by ChanXy
• Size: 7
• This is the leading solution.
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Test Suite

Test Status Code Input and Output
1   Pass
x = 3; y_correct = 36; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)]

2   Pass
x = 7; y_correct = 8256; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]

3   Pass
x = 10; y_correct = 524800; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)]

4   Pass
x = 11; y_correct = 2098176; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)]

5   Pass
x = 14; y_correct = 134225920; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint5 (line 3) In solutionTest (line 11)]

6   Pass
x = 17; y_correct = 8590000128; assert(isequal(sum_int(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In sum_int (line 2) In ScoringEngineTestPoint6 (line 3) In solutionTest (line 13)]