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Results tagged with decision-problem
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user 69981
For challenges which involve deciding whether or not the input meets certain criteria, and outputting some data, representing that decision.
1
vote
Is this number triangular?
C, 45 bytes
a,i;f(n){while(i<=n&&(a=i*i+i++!=2*n));a=!a;}
Try it online.
Explanation:
a,i; - data definition with no type or storage class is allowed in C (gives a warning). Doesn't work in C++ …