oj.uz

Submission #701075

# Submission time Handle Problem Language Result Execution time Memory
701075 2023-02-20T03:06:33 Z badont Examination (JOI19_examination) C++17
100 / 100
 2577 ms 27504 KB 
//60 J O
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <memory>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <array>
using namespace std;

template<typename T, typename = void> struct is_iterable : false_type {};
template<typename T> struct is_iterable<T, void_t<decltype(begin(declval<T>())),decltype(end(declval<T>()))>> : true_type {};
template<typename T> typename enable_if<is_iterable<T>::value&&!is_same<T, string>::value,ostream&>::type operator<<(ostream &cout, T const &v);
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename T> typename enable_if<is_iterable<T>::value&&!is_same<T, string>::value,ostream&>::type operator<<(ostream &cout, T const &v) {
	cout << "["; 
	for (auto it = v.begin(); it != v.end();) {
		cout << *it;
		if (++it != v.end()) cout << ", ";
	}
	return cout << "]";
}

void dbg_out() { cout << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); }

#ifdef LOCAL
#define debug(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define debug(...) "zzz"
#endif

using ll = int;
using ld = long double;
using pii = pair<ll,ll>;

#define FOR(i, n) for(int i = 1; i<=n; i++)
#define F0R(i, n) for(int i = 0; i<n; i++)
#define all(x) x.begin(), x.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second

template<typename T>
struct fen {
	vector<T> tr;
	ll mxn;

	fen(ll sz) {
		mxn = sz;
		tr.assign(sz + 5, 0);
	}

	void upd(ll g, T k) {
	    g++;	
        assert(g != 0);
		for (; g <= mxn; g += g&-g)
			tr[g] += k;
	}

	T ge(ll g) {
        g++;
		T res = 0;
		for (; g; g -= g&-g)
			res += tr[g];
		return res;
	}

	T rng(ll l, ll r) { return ge(r) - ge(l - 1); }

};

//var 
ll T;

void solve() {
    ll n, q;
    cin >> n >> q;

    vector<ll> ricky_y, ricky_x;
    vector<array<ll, 3>> order;
    
    F0R (i, n) {
        ll x, y;
        cin >> x >> y;
        order.pb({1, x, y});
        ricky_y.pb(y);
        ricky_x.pb(x);
    }

    vector<ll> ans(q);
    vector<array<ll, 3>> queries(q);

    for (auto& [x, y, z] : queries)
        cin >> x >> y >> z;

    F0R (i, q) {
        auto& [x, y, c] = queries[i];
        order.pb({2, i, c});
        ricky_y.pb(y);
        ricky_x.pb(x);
    }


    sort(all(order), [&](const array<ll,3>& a, const array<ll,3>& b) {
        ll ca = (a[0] == 1 ? a[1] + a[2] : a[2]);
        ll cb = (b[0] == 1 ? b[1] + b[2] : b[2]);
        if (ca == cb) return a[0] < b[0];
        return ca > cb;
    });

    sort(all(ricky_y));
    ricky_y.erase(unique(all(ricky_y)), ricky_y.end());

    sort(all(ricky_x));
    ricky_x.erase(unique(all(ricky_x)), ricky_x.end());

    auto get_y = [&ricky_y](ll x) -> ll {
        return lower_bound(all(ricky_y), x) - ricky_y.begin();
    };

    auto get_x = [&ricky_x](ll x) -> ll {
        return lower_bound(all(ricky_x), x) - ricky_x.begin();
    };

    ll Y = (int)ricky_y.size();
    ll X = (int)ricky_x.size();

    debug(queries);
    
    constexpr int B = 550;
    vector active_points(X, vector<ll>());
    for (ll query_start = 0; query_start < (int)order.size(); query_start += B) {
        vector<array<ll, 3>> process_here;
        for (int i = query_start; i < min((ll)order.size(), query_start + B); i++) {
            process_here.pb(order[i]);
        }

        debug(process_here);

        //local batch
        for (int i = 0; i < (int)process_here.size(); i++) {
            auto& [T1, a1, b1] = process_here[i];
            for (int j = i + 1; j < (int)process_here.size(); j++) {
                auto& [T2, a2, b2] = process_here[j];
                if (T1 == 1 and T2 == 2) {
                    //T2 has a lesser line fo sho
                    auto& [gx, gy, line] = queries[a2];
                    if (a1 >= gx and b1 >= gy) {
                        ans[a2]++;
                    }
                }
            }
        }

        //global batch
        //sort(all(active_points), greater<pii>());
        int cur_pt = 0;

        vector agg_by_x(X, vector<ll>());
        for (auto [T, a1, b1] : process_here) if (T == 2) {
            agg_by_x[get_x(queries[a1][0])].pb(a1);
        }

        fen<int> tree(Y);
        ll big = 0;
        for (int x = X - 1; x >= 0; x--) {
            for (auto& y : active_points[x]) {
                tree.upd(y, 1);
                big++;
            }

            for (auto& qid : agg_by_x[x]) {
                ll y = get_y(queries[qid][1]);
                ans[qid] += big - tree.ge(y - 1);
            }
        }

        //update global
        for (auto& [T, a1, b1] : process_here) if (T == 1) {
            active_points[get_x(a1)].pb(get_y(b1));
        }
    }

    for (auto u : ans)
        cout << u << '\n';
    
}

int main() {
	ios_base::sync_with_stdio(0); 
	cin.tie(0);

	T = 1;
	//cin >> T;
	FOR(t, T)
		solve();

	cout.flush();
	return 0;
}

Compilation message

examination.cpp: In function 'void solve()':
examination.cpp:44:20: warning: statement has no effect [-Wunused-value]
   44 | #define debug(...) "zzz"
      |                    ^~~~~
examination.cpp:144:5: note: in expansion of macro 'debug'
  144 |     debug(queries);
      |     ^~~~~
examination.cpp:44:20: warning: statement has no effect [-Wunused-value]
   44 | #define debug(...) "zzz"
      |                    ^~~~~
examination.cpp:154:9: note: in expansion of macro 'debug'
  154 |         debug(process_here);
      |         ^~~~~
examination.cpp:173:13: warning: unused variable 'cur_pt' [-Wunused-variable]
  173 |         int cur_pt = 0;
      |             ^~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 9 ms 996 KB Output is correct
8 Correct 9 ms 964 KB Output is correct
9 Correct 9 ms 944 KB Output is correct
10 Correct 8 ms 836 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 5 ms 468 KB Output is correct
13 Correct 7 ms 964 KB Output is correct
14 Correct 7 ms 964 KB Output is correct
15 Correct 7 ms 964 KB Output is correct
16 Correct 5 ms 568 KB Output is correct
17 Correct 8 ms 964 KB Output is correct
18 Correct 3 ms 468 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1523 ms 13804 KB Output is correct
2 Correct 1492 ms 12744 KB Output is correct
3 Correct 1562 ms 14136 KB Output is correct
4 Correct 708 ms 13804 KB Output is correct
5 Correct 679 ms 7676 KB Output is correct
6 Correct 209 ms 7792 KB Output is correct
7 Correct 1399 ms 11808 KB Output is correct
8 Correct 1508 ms 12780 KB Output is correct
9 Correct 1297 ms 11744 KB Output is correct
10 Correct 605 ms 7552 KB Output is correct
11 Correct 511 ms 13664 KB Output is correct
12 Correct 232 ms 7280 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1523 ms 13804 KB Output is correct
2 Correct 1492 ms 12744 KB Output is correct
3 Correct 1562 ms 14136 KB Output is correct
4 Correct 708 ms 13804 KB Output is correct
5 Correct 679 ms 7676 KB Output is correct
6 Correct 209 ms 7792 KB Output is correct
7 Correct 1399 ms 11808 KB Output is correct
8 Correct 1508 ms 12780 KB Output is correct
9 Correct 1297 ms 11744 KB Output is correct
10 Correct 605 ms 7552 KB Output is correct
11 Correct 511 ms 13664 KB Output is correct
12 Correct 232 ms 7280 KB Output is correct
13 Correct 1163 ms 12760 KB Output is correct
14 Correct 1390 ms 12740 KB Output is correct
15 Correct 1370 ms 14084 KB Output is correct
16 Correct 668 ms 12380 KB Output is correct
17 Correct 576 ms 7792 KB Output is correct
18 Correct 210 ms 7688 KB Output is correct
19 Correct 1239 ms 12788 KB Output is correct
20 Correct 1378 ms 12740 KB Output is correct
21 Correct 1139 ms 12508 KB Output is correct
22 Correct 604 ms 7544 KB Output is correct
23 Correct 520 ms 13712 KB Output is correct
24 Correct 228 ms 7296 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 9 ms 996 KB Output is correct
8 Correct 9 ms 964 KB Output is correct
9 Correct 9 ms 944 KB Output is correct
10 Correct 8 ms 836 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 5 ms 468 KB Output is correct
13 Correct 7 ms 964 KB Output is correct
14 Correct 7 ms 964 KB Output is correct
15 Correct 7 ms 964 KB Output is correct
16 Correct 5 ms 568 KB Output is correct
17 Correct 8 ms 964 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 1523 ms 13804 KB Output is correct
20 Correct 1492 ms 12744 KB Output is correct
21 Correct 1562 ms 14136 KB Output is correct
22 Correct 708 ms 13804 KB Output is correct
23 Correct 679 ms 7676 KB Output is correct
24 Correct 209 ms 7792 KB Output is correct
25 Correct 1399 ms 11808 KB Output is correct
26 Correct 1508 ms 12780 KB Output is correct
27 Correct 1297 ms 11744 KB Output is correct
28 Correct 605 ms 7552 KB Output is correct
29 Correct 511 ms 13664 KB Output is correct
30 Correct 232 ms 7280 KB Output is correct
31 Correct 1163 ms 12760 KB Output is correct
32 Correct 1390 ms 12740 KB Output is correct
33 Correct 1370 ms 14084 KB Output is correct
34 Correct 668 ms 12380 KB Output is correct
35 Correct 576 ms 7792 KB Output is correct
36 Correct 210 ms 7688 KB Output is correct
37 Correct 1239 ms 12788 KB Output is correct
38 Correct 1378 ms 12740 KB Output is correct
39 Correct 1139 ms 12508 KB Output is correct
40 Correct 604 ms 7544 KB Output is correct
41 Correct 520 ms 13712 KB Output is correct
42 Correct 228 ms 7296 KB Output is correct
43 Correct 2096 ms 22588 KB Output is correct
44 Correct 2109 ms 22636 KB Output is correct
45 Correct 2577 ms 22476 KB Output is correct
46 Correct 1043 ms 22260 KB Output is correct
47 Correct 625 ms 11252 KB Output is correct
48 Correct 169 ms 8556 KB Output is correct
49 Correct 2315 ms 27344 KB Output is correct
50 Correct 2052 ms 27504 KB Output is correct
51 Correct 2223 ms 27232 KB Output is correct
52 Correct 547 ms 11244 KB Output is correct
53 Correct 896 ms 24216 KB Output is correct