제출 #17684

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
17684		Adilkhan	돌 무게 재기 (IZhO11_stones)	C++98	36 / 100	1000 ms	9532 KiB

stones

#include <bits/stdc++.h>

#define pb push_back
#define endl "\n"
#define mp make_pair 
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define fname ""
#define sz(x) (int)(x.size())

typedef long long ll;

using namespace std;

const ll N = (ll)(5e5) + 322;
const ll INF = (ll)(1e9);
const ll mod = (ll)(1e9) + 7;
const double eps = 1e-9;

ll n, x[N], y[N], q, s, sum, mn, mx;

int main () {
	ios_base :: sync_with_stdio (false); cin.tie(0);
	//freopen(fname".in", "r", stdin);
	//freopen(fname".out", "w", stdout);
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> q >> s;
		if (s == 1) {
			x[q]++;
		}else {
			x[q]--;
		}            
		sum = 0;
		set <int> S;
		for (int j = n; j >= 1; --j) {
			sum += x[j];
			S.insert(sum);
		}
		mx = *(--S.end());                       
		mn = *(S.begin());
		if (mn < 0 && mx > 0) {
			cout << '?' << endl;
		}
		if (mn >= 0 && mx >= 0) {
			cout << '>' << endl;
		}
		if (mn <= 0 && mx <= 0) {
			cout << '<' << endl;
		}
	}
	return 0;
}

• Subtask 1: 36 / 100