(SW전문가아카데미) 2025호 N줄보충
문제 해결 – 수준 1 – N 행 추가 https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=1&contestProbId=AV5QFZtaAscDFAUq&categoryId=AV5QFZtaAscDFAUq&categoryType=CODE #include <iostream> using namespace std; int main() { int N,sum=0; cin>>N; for(int i=1;i<=N;i++) { sum+=i; } cout<<sum; return 0; }