Cody

# Problem 314. Find the sum of the elements in the "second" diagonal

Solution 2758747

Submitted on 30 Jul 2020 by Sohom Sen
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### Test Suite

Test Status Code Input and Output
1   Pass
x = magic(6); y_correct = 111; assert(isequal(sum_of_sec_diag(x),y_correct))

m = 6 h = 0 a = 35 1 6 26 19 24 a = 3 32 7 21 23 25 a = 31 9 2 22 27 20 a = 8 28 33 17 10 15 a = 30 5 34 12 14 16 a = 4 36 29 13 18 11 y = 111

2   Pass
x = magic(10); y_correct = 505; assert(isequal(sum_of_sec_diag(x),y_correct))

m = 10 h = 0 a = 92 99 1 8 15 67 74 51 58 40 a = 98 80 7 14 16 73 55 57 64 41 a = 4 81 88 20 22 54 56 63 70 47 a = 85 87 19 21 3 60 62 69 71 28 a = 86 93 25 2 9 61 68 75 52 34 a = 17 24 76 83 90 42 49 26 33 65 a = 23 5 82 89 91 48 30 32 39 66 a = 79 6 13 95 97 29 31 38 45 72 a = 10 12 94 96 78 35 37 44 46 53 a = 11 18 100 77 84 36 43 50 27 59 y = 505

3   Pass
x = magic(11); y_correct = 671; assert(isequal(sum_of_sec_diag(x),y_correct))

m = 11 h = 0 a = 68 81 94 107 120 1 14 27 40 53 66 a = 80 93 106 119 11 13 26 39 52 65 67 a = 92 105 118 10 12 25 38 51 64 77 79 a = 104 117 9 22 24 37 50 63 76 78 91 a = 116 8 21 23 36 49 62 75 88 90 103 a = 7 20 33 35 48 61 74 87 89 102 115 a = 19 32 34 47 60 73 86 99 101 114 6 a = 31 44 46 59 72 85 98 100 113 5 18 a = 43 45 58 71 84 97 110 112 4 17 30 a = 55 57 70 83 96 109 111 3 16 29 42 a = 56 69 82 95 108 121 2 15 28 41 54 y = 671

4   Pass
x=[1 2 3; 4 4 6; 2 8 9]; y_correct = 9; assert(isequal(sum_of_sec_diag(x),y_correct))

m = 3 h = 0 a = 1 2 3 a = 4 4 6 a = 2 8 9 y = 9

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