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답안 #946355

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
946355 2024-03-14T14:20:57 Z vqpahmad Examination (JOI19_examination) C++14
100 / 100
 211 ms 19396 KB 
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define endl '\n'
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
int ans[MAXN];
template<class T> using order_set = tree<T, null_type, less<>, rb_tree_tag, tree_order_statistics_node_update>;
struct point {
	int x, y;
};
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	vector<point> a(n);
	vector<ll> b(n);
	for (int i = 0; i < n; i++){
		cin >> a[i].x >> a[i].y;
		b[i] = a[i].x + a[i].y;
	}
	sort(all(b));
	vector<array<int, 3>> queries(q);
	vector<array<int, 3>> queriesA(q);
	vector<array<int, 3>> queriesB(q);
	for (int i = 0; i < q; i++){
		cin >> queries[i][0] >> queries[i][1] >> queries[i][2];
		queries[i][2] = max(queries[i][2], queries[i][0] + queries[i][1]);
		queriesA[i] = {queries[i][2], queries[i][0], i};
		queriesB[i] = {queries[i][2], queries[i][1], i};
		ans[i] += lower_bound(all(b), queries[i][2]) - b.begin();
	}
	sort(all(queriesA), greater<>());
	sort(all(queriesB), greater<>());
	sort(all(a), [](point lh, point rh){
			return lh.x + lh.y > rh.x + rh.y;
			});
	int p = 0;
	order_set<pii> st;
	for (int i = 0; i < q; i++){// solve for b
		while (p < n && a[p].x + a[p].y >= queriesA[i][0]){
			st.insert({a[p].x, p});
			p++;
		}
		ans[queriesA[i][2]] += st.order_of_key({queriesA[i][1], -1});
	}
	st.clear();
	p = 0;
	for (int i = 0; i < q; i++){// solve for b
		while (p < n && a[p].x + a[p].y >= queriesB[i][0]){
			st.insert({a[p].y, p});
			p++;
		}
		ans[queriesB[i][2]] += st.order_of_key({queriesB[i][1], -1});
	}
	for (int i = 0; i < q; i++){
		cout << n - ans[i] << endl;
	}
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 856 KB Output is correct
9 Correct 4 ms 732 KB Output is correct
10 Correct 4 ms 724 KB Output is correct
11 Correct 4 ms 860 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 4 ms 860 KB Output is correct
15 Correct 4 ms 884 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 4 ms 736 KB Output is correct
18 Correct 3 ms 800 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 16212 KB Output is correct
2 Correct 179 ms 16968 KB Output is correct
3 Correct 182 ms 17032 KB Output is correct
4 Correct 136 ms 16236 KB Output is correct
5 Correct 146 ms 16244 KB Output is correct
6 Correct 125 ms 15440 KB Output is correct
7 Correct 164 ms 16828 KB Output is correct
8 Correct 166 ms 16944 KB Output is correct
9 Correct 178 ms 16848 KB Output is correct
10 Correct 162 ms 16100 KB Output is correct
11 Correct 124 ms 16088 KB Output is correct
12 Correct 131 ms 15148 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 16212 KB Output is correct
2 Correct 179 ms 16968 KB Output is correct
3 Correct 182 ms 17032 KB Output is correct
4 Correct 136 ms 16236 KB Output is correct
5 Correct 146 ms 16244 KB Output is correct
6 Correct 125 ms 15440 KB Output is correct
7 Correct 164 ms 16828 KB Output is correct
8 Correct 166 ms 16944 KB Output is correct
9 Correct 178 ms 16848 KB Output is correct
10 Correct 162 ms 16100 KB Output is correct
11 Correct 124 ms 16088 KB Output is correct
12 Correct 131 ms 15148 KB Output is correct
13 Correct 164 ms 17260 KB Output is correct
14 Correct 211 ms 17232 KB Output is correct
15 Correct 170 ms 17032 KB Output is correct
16 Correct 136 ms 16588 KB Output is correct
17 Correct 138 ms 16612 KB Output is correct
18 Correct 125 ms 15508 KB Output is correct
19 Correct 180 ms 17488 KB Output is correct
20 Correct 186 ms 17356 KB Output is correct
21 Correct 179 ms 17612 KB Output is correct
22 Correct 176 ms 15952 KB Output is correct
23 Correct 123 ms 16324 KB Output is correct
24 Correct 141 ms 15184 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 856 KB Output is correct
9 Correct 4 ms 732 KB Output is correct
10 Correct 4 ms 724 KB Output is correct
11 Correct 4 ms 860 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 4 ms 860 KB Output is correct
15 Correct 4 ms 884 KB Output is correct
16 Correct 4 ms 860 KB Output is correct
17 Correct 4 ms 736 KB Output is correct
18 Correct 3 ms 800 KB Output is correct
19 Correct 174 ms 16212 KB Output is correct
20 Correct 179 ms 16968 KB Output is correct
21 Correct 182 ms 17032 KB Output is correct
22 Correct 136 ms 16236 KB Output is correct
23 Correct 146 ms 16244 KB Output is correct
24 Correct 125 ms 15440 KB Output is correct
25 Correct 164 ms 16828 KB Output is correct
26 Correct 166 ms 16944 KB Output is correct
27 Correct 178 ms 16848 KB Output is correct
28 Correct 162 ms 16100 KB Output is correct
29 Correct 124 ms 16088 KB Output is correct
30 Correct 131 ms 15148 KB Output is correct
31 Correct 164 ms 17260 KB Output is correct
32 Correct 211 ms 17232 KB Output is correct
33 Correct 170 ms 17032 KB Output is correct
34 Correct 136 ms 16588 KB Output is correct
35 Correct 138 ms 16612 KB Output is correct
36 Correct 125 ms 15508 KB Output is correct
37 Correct 180 ms 17488 KB Output is correct
38 Correct 186 ms 17356 KB Output is correct
39 Correct 179 ms 17612 KB Output is correct
40 Correct 176 ms 15952 KB Output is correct
41 Correct 123 ms 16324 KB Output is correct
42 Correct 141 ms 15184 KB Output is correct
43 Correct 180 ms 19396 KB Output is correct
44 Correct 183 ms 19288 KB Output is correct
45 Correct 195 ms 19280 KB Output is correct
46 Correct 167 ms 17744 KB Output is correct
47 Correct 143 ms 17760 KB Output is correct
48 Correct 115 ms 15452 KB Output is correct
49 Correct 176 ms 19180 KB Output is correct
50 Correct 188 ms 19200 KB Output is correct
51 Correct 181 ms 19032 KB Output is correct
52 Correct 171 ms 17496 KB Output is correct
53 Correct 172 ms 17236 KB Output is correct