Test | Status | Code Input and Output |
---|---|---|
1 | Pass |
x = 1;
y1 = fifth_times_a_charm(x);
assert(~isequal(y1,x))
y2 = fifth_times_a_charm(x);
assert(~isequal(y2,x))
assert(abs(x-y2)<abs(x-y1))
y3 = fifth_times_a_charm(x);
assert(~isequal(y3,x))
assert(abs(x-y3)<abs(x-y2))
y4 = fifth_times_a_charm(x);
assert(~isequal(y4,x))
assert(abs(x-y4)<abs(x-y3))
y5 = fifth_times_a_charm(x);
assert(isequal(y5,x))
|
2 | Pass |
x = -1;
y1 = fifth_times_a_charm(x);
assert(~isequal(y1,x))
y2 = fifth_times_a_charm(x);
assert(~isequal(y2,x))
assert(abs(x-y2)<abs(x-y1))
y3 = fifth_times_a_charm(x);
assert(~isequal(y3,x))
assert(abs(x-y3)<abs(x-y2))
y4 = fifth_times_a_charm(x);
assert(~isequal(y4,x))
assert(abs(x-y4)<abs(x-y3))
y5 = fifth_times_a_charm(x);
assert(isequal(y5,x))
|
3 | Pass |
x = 42;
y1 = fifth_times_a_charm(x);
assert(~isequal(y1,x))
y2 = fifth_times_a_charm(x);
assert(~isequal(y2,x))
assert(abs(x-y2)<abs(x-y1))
y3 = fifth_times_a_charm(x);
assert(~isequal(y3,x))
assert(abs(x-y3)<abs(x-y2))
y4 = fifth_times_a_charm(x);
assert(~isequal(y4,x))
assert(abs(x-y4)<abs(x-y3))
y5 = fifth_times_a_charm(x);
assert(isequal(y5,x))
|
4 | Pass |
x = i;
y1 = fifth_times_a_charm(x);
assert(~isequal(y1,x))
y2 = fifth_times_a_charm(x);
assert(~isequal(y2,x))
assert(abs(x-y2)<abs(x-y1))
y3 = fifth_times_a_charm(x);
assert(~isequal(y3,x))
assert(abs(x-y3)<abs(x-y2))
y4 = fifth_times_a_charm(x);
assert(~isequal(y4,x))
assert(abs(x-y4)<abs(x-y3))
y5 = fifth_times_a_charm(x);
assert(isequal(y5,x))
|
Return the 3n+1 sequence for n
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