Problem	missingnumber
User	newperson
Submission Time	2024-10-09 16:08:56
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

missingnumber.cpp: In function ‘int main()’:
missingnumber.cpp:18:15: error: ‘N’ cannot be used as a function
18 | cout << N(N+1)/2 - total;
| ^