Cody

# Problem 44486. Vector push

Solution 2098551

Submitted on 19 Jan 2020
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('push.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')

2   Pass
v = [1, 2, 7]; x = []; [v, n] = push(v, x); v_correct = [1, 2, 7]; n_correct = 3; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 1 m = 3 V = 1 2 7 v = 1 2 7

3   Pass
v = []; x = [5, 6, 8]; [v, n] = push(v, x); v_correct = [5, 6, 8]; n_correct = 3; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 0 m = 0 V = 5 6 8 v = 5 6 8

4   Pass
v = []; x = [7; 3; 9; 4]; [v, n] = push(v, x); v_correct = [7; 3; 9; 4]; n_correct = 4; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 0 m = 0 V = 7 3 9 4 v = 7 3 9 4

5   Pass
v1 = randi(10, 1, 5); x = 5; [v, n] = push(v1, x); v_correct = [v1, 5]; n_correct = 6; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 1 m = 5 V = 10 10 4 3 5 5 v = 10 10 4 3 5 5

6   Fail
v = [ones(4, 1)]; x = [3, 5]; [v, n] = push(v, x); v_correct = [1; 1; 1; 1; 3; 5]; n_correct = 6; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 4 m = 1

Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in push (line 7) V=[v;x] Error in Test6 (line 3) [v, n] = push(v, x);

7   Fail
v = [zeros(1, 4)]; x = [3; 0]; [v, n] = push(v, x); v_correct = [0, 0, 0, 0, 3, 0]; n_correct = 6; assert(isequal(v, v_correct)); assert(isequal(n, n_correct)); v = [8, 2]; x = []; [v, n] = push(v, x); v_correct = [8, 2]; n_correct = 2; assert(isequal(v, v_correct)); assert(isequal(n, n_correct));

V = [] N = 1 m = 4

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in push (line 5) V=[v, x] Error in Test7 (line 3) [v, n] = push(v, x);