test suite is poor
function y = your_fcn_name(x)
if (~isinf(x) && fix(x)==x)
y=1
else
y=0
end
end
function y = your_fcn_name(x)
if abs(round(x)-x)==0
y=1;
else
y=0;
end
1126 Solvers
Sum all integers from 1 to 2^n
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