Cody

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

Solution 2102083

Submitted on 22 Jan 2020
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Test Suite

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test1 (line 3) assert(isequal(sum_int(x),y_correct))

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test2 (line 3) assert(isequal(sum_int(x),y_correct))

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test3 (line 3) assert(isequal(sum_int(x),y_correct))

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test4 (line 3) assert(isequal(sum_int(x),y_correct))

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test5 (line 3) assert(isequal(sum_int(x),y_correct))

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

Unrecognized function or variable 'n'. Error in sum_int (line 3) y=sum(1:2^n) Error in Test6 (line 3) assert(isequal(sum_int(x),y_correct))