#include using namespace std; #define all(c) ((c).begin()), ((c).end()) #define dump(c) cerr << "> " << #c << " = " << (c) << endl; #define iter(c) __typeof((c).begin()) #define tr(i, c) for (iter(c) i = (c).begin(); i != (c).end(); i++) #define REP(i, a, b) for (int i = a; i < (int)(b); i++) #define rep(i, n) REP(i, 0, n) #define mp make_pair #define fst first #define snd second #define pb push_back #define debug(fmt, ...) \ fprintf( stderr, \ fmt "\n", \ ##__VA_ARGS__ \ ) typedef unsigned int uint; typedef long long ll; typedef unsigned long long ull; typedef vector vi; typedef vector vll; typedef vector vvll; typedef vector vvi; typedef vector vd; typedef vector vvd; typedef vector vs; typedef pair pii; typedef pair pll; const int INF = 1 << 29; const double EPS = 1e-10; double zero(double d) { return d < EPS ? 0.0 : d; } template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); template ostream &operator<<(ostream &os, const pair &p) { return os << '(' << p.first << ',' << p.second << ')'; } template ostream &operator<<(ostream &os, const vector &a) { os << '['; rep(i, a.size()) os << (i ? " " : "") << a[i]; return os << ']'; } string toString(int i) { stringstream ss; ss << i; return ss.str(); } const int MOD = 1000000007; // a^k ll fpow(ll a, ll k, int M) { ll res = 1ll; ll x = a; while (k != 0) { if ((k & 1) == 1) res = (res * x) % M; x = (x * x) % M; k >>= 1; } return res; } struct prepare { prepare() { cout.setf(ios::fixed, ios::floatfield); cout.precision(8); ios_base::sync_with_stdio(false); } } _prepare; int main() { int N; cin >> N; vi neg, pos; int zero = 0; rep(i, 2*N) { int t; cin >> t; if (t < 0) neg.push_back(t); else if(t > 0) pos.push_back(t); if(t==0) zero++; } sort(all(neg)); sort(all(pos)); int psize = (int)pos.size(); int nsize = (int)neg.size(); // dry { int dry = 0; int i = 0; int j = psize-1; for(i=0; i= 0 && neg[i] + pos[j] >= 0) j--; if (j == -1) { i--; break; } dry++; } int rem = nsize - i - 1; int t = dry + rem/2 + min(rem % 2, zero); cout << max(t, min(zero, nsize)) << " "; } // wet { int wet = 0; int i; int j = 0; for(i=psize-1; i>=0; i--, j++) { while (j < nsize && neg[j] + pos[i] <= 0) j++; if (j == nsize) { i++; break; } wet++; } int rem = i; int t = wet + rem/2 + min(rem % 2, zero); cout << max(t, min(zero, psize)) << " "; } // moist { int moist = 0; int i = 0; int j = psize-1; for(i=0; i= 0 && neg[i] + pos[j] > 0) j--; if(j == -1) break; if(neg[i] + pos[j] == 0) { moist++; j--; } } cout << moist + zero/2 << endl; } return 0; }