#include<bits/stdc++.h> using namespace std; int sum; int main() { int n; cin >> n; int f,l,z; f = l = z = 0; for(int i = 1; i <= n; i ++) { int x; cin >> x; if(x < 0) f ++; if(x == 0) l ++; if(x > 0) z ++; } cout << f << " " << l << " " << z; return 0; }

#include<bits/stdc++.h> using namespace std; int n,sum; int main() { scanf("%d",&n); for(int i=1; i<=n; ++i) sum+=i; printf("%d\n",sum); return 0; }