oj.uz

Submission #926301

# Submission time Handle Problem Language Result Execution time Memory
926301 2024-02-12T18:37:15 Z OAleksa Examination (JOI19_examination) C++14
100 / 100
 175 ms 22032 KB 
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define int long long
const int N = 2e5 + 69;
int n, q, a[N], b[N], f[N], ans[N], c[N];
void Modify(int v, int val) {
	for (int i = v;i < N;i += (i & -i))
		f[i] += val;
}
int Get(int v) {
	int res = 0;
	for (int i = v;i > 0;i -= (i & -i))
		res += f[i];
	return res;
}
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> q;
  	for (int i = 1;i <= n;i++) {
  		cin >> a[i] >> b[i];
  		c[i] = a[i] + b[i];
  	}
  	vector<tuple<int, int, int>> t1, t2, t3;
  	for (int i = 1;i <= q;i++) {
  		int x, y, z;
  		cin >> x >> y >> z;
  		if (x + y >= z) 
  			t1.push_back({x, y, i});
  		else {
  			t2.push_back({x, z, i});
  			t3.push_back({z, y, i});
  		}
  	}
  	
  	//x-y
  	//x-z
  	//z-y
  	vector<int> all;
  	for (int i = 1;i <= n;i++)
  		all.push_back(b[i]);
  	for (auto u : t1)
  		all.push_back(get<1>(u));
  	sort(all.begin(), all.end());
  	all.erase(unique(all.begin(), all.end()), all.end());
  	sort(t1.rbegin(), t1.rend());
  	vector<int> ord(n);
  	iota(ord.begin(), ord.end(), 1);
  	sort(ord.begin(), ord.end(), [&](int i, int j) {
  		return a[i] < a[j];
  	});
  	int ptr = n - 1;
  	for (auto u : t1) {
  		int x, y, ind;
  		tie(x, y, ind) = u;
  		while (ptr >= 0 && a[ord[ptr]] >= x) {
  			auto u = lower_bound(all.begin(), all.end(), b[ord[ptr]]) - all.begin() + 1;
  			Modify(u, 1);
  			ptr--;
  		}
  		int p = lower_bound(all.begin(), all.end(), y) - all.begin() + 1;
  		ans[ind] = Get(N - 1) - Get(p - 1);
  	}
  	
  	for (int i = 0;i < N;i++)
  		f[i] = 0;
  	all.clear();
  	for (int i = 1;i <= n;i++)
  		all.push_back(c[i]);
  	for (auto u : t2)
  		all.push_back(get<1>(u));
  	sort(all.begin(), all.end());
  	all.erase(unique(all.begin(), all.end()), all.end());
  	sort(t2.rbegin(), t2.rend());
  	ptr = n - 1;
  	for (auto u : t2) {
  		int x, z, ind;
  		tie(x, z, ind) = u;
  		while (ptr >= 0 && a[ord[ptr]] >= x) {
  			auto u = lower_bound(all.begin(), all.end(), c[ord[ptr]]) - all.begin() + 1;
  			Modify(u, 1);
  			ptr--;
  		}
  		int p = lower_bound(all.begin(), all.end(), z) - all.begin() + 1;
  		ans[ind] += Get(N - 1) - Get(p - 1);
  	}
  	
  	for (int i = 0;i < N;i++)
  		f[i] = 0;
  	all.clear();
  	for (int i = 1;i <= n;i++)
  		all.push_back(b[i]);
  	for (auto u : t3)
  		all.push_back(get<1>(u));
  	sort(all.begin(), all.end());
  	all.erase(unique(all.begin(), all.end()), all.end());
  	sort(t3.rbegin(), t3.rend());
  	sort(ord.begin(), ord.end(), [&](int i, int j) {
  		return c[i] < c[j];
  	});
  	ptr = n - 1;
  	for (auto u : t3) {
  		int z, y, ind;
  		tie(z, y, ind) = u;
  		while (ptr >= 0 && c[ord[ptr]] >= z) {
  			auto u = lower_bound(all.begin(), all.end(), b[ord[ptr]]) - all.begin() + 1;
  			Modify(u, 1);
  			ptr--;
  		}
  		int p = lower_bound(all.begin(), all.end(), y) - all.begin() + 1;
			ans[ind] -= Get(p - 1);
  	}
  	for (int i = 1;i <= q;i++)
  		cout << ans[i] << '\n';
  }
  return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 5720 KB Output is correct
6 Correct 1 ms 5468 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct
9 Correct 5 ms 5976 KB Output is correct
10 Correct 4 ms 5980 KB Output is correct
11 Correct 4 ms 6748 KB Output is correct
12 Correct 3 ms 6748 KB Output is correct
13 Correct 4 ms 5980 KB Output is correct
14 Correct 4 ms 5944 KB Output is correct
15 Correct 4 ms 5888 KB Output is correct
16 Correct 4 ms 5980 KB Output is correct
17 Correct 3 ms 6748 KB Output is correct
18 Correct 3 ms 5980 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 13840 KB Output is correct
2 Correct 111 ms 13992 KB Output is correct
3 Correct 119 ms 14124 KB Output is correct
4 Correct 71 ms 14268 KB Output is correct
5 Correct 98 ms 14224 KB Output is correct
6 Correct 62 ms 14012 KB Output is correct
7 Correct 112 ms 14012 KB Output is correct
8 Correct 111 ms 13976 KB Output is correct
9 Correct 105 ms 13976 KB Output is correct
10 Correct 94 ms 13504 KB Output is correct
11 Correct 65 ms 13760 KB Output is correct
12 Correct 49 ms 12868 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 13840 KB Output is correct
2 Correct 111 ms 13992 KB Output is correct
3 Correct 119 ms 14124 KB Output is correct
4 Correct 71 ms 14268 KB Output is correct
5 Correct 98 ms 14224 KB Output is correct
6 Correct 62 ms 14012 KB Output is correct
7 Correct 112 ms 14012 KB Output is correct
8 Correct 111 ms 13976 KB Output is correct
9 Correct 105 ms 13976 KB Output is correct
10 Correct 94 ms 13504 KB Output is correct
11 Correct 65 ms 13760 KB Output is correct
12 Correct 49 ms 12868 KB Output is correct
13 Correct 156 ms 13748 KB Output is correct
14 Correct 143 ms 15864 KB Output is correct
15 Correct 128 ms 13980 KB Output is correct
16 Correct 101 ms 13924 KB Output is correct
17 Correct 133 ms 13700 KB Output is correct
18 Correct 71 ms 14584 KB Output is correct
19 Correct 154 ms 13676 KB Output is correct
20 Correct 149 ms 13504 KB Output is correct
21 Correct 165 ms 17164 KB Output is correct
22 Correct 95 ms 14776 KB Output is correct
23 Correct 65 ms 15552 KB Output is correct
24 Correct 49 ms 13688 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 5720 KB Output is correct
6 Correct 1 ms 5468 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct
9 Correct 5 ms 5976 KB Output is correct
10 Correct 4 ms 5980 KB Output is correct
11 Correct 4 ms 6748 KB Output is correct
12 Correct 3 ms 6748 KB Output is correct
13 Correct 4 ms 5980 KB Output is correct
14 Correct 4 ms 5944 KB Output is correct
15 Correct 4 ms 5888 KB Output is correct
16 Correct 4 ms 5980 KB Output is correct
17 Correct 3 ms 6748 KB Output is correct
18 Correct 3 ms 5980 KB Output is correct
19 Correct 112 ms 13840 KB Output is correct
20 Correct 111 ms 13992 KB Output is correct
21 Correct 119 ms 14124 KB Output is correct
22 Correct 71 ms 14268 KB Output is correct
23 Correct 98 ms 14224 KB Output is correct
24 Correct 62 ms 14012 KB Output is correct
25 Correct 112 ms 14012 KB Output is correct
26 Correct 111 ms 13976 KB Output is correct
27 Correct 105 ms 13976 KB Output is correct
28 Correct 94 ms 13504 KB Output is correct
29 Correct 65 ms 13760 KB Output is correct
30 Correct 49 ms 12868 KB Output is correct
31 Correct 156 ms 13748 KB Output is correct
32 Correct 143 ms 15864 KB Output is correct
33 Correct 128 ms 13980 KB Output is correct
34 Correct 101 ms 13924 KB Output is correct
35 Correct 133 ms 13700 KB Output is correct
36 Correct 71 ms 14584 KB Output is correct
37 Correct 154 ms 13676 KB Output is correct
38 Correct 149 ms 13504 KB Output is correct
39 Correct 165 ms 17164 KB Output is correct
40 Correct 95 ms 14776 KB Output is correct
41 Correct 65 ms 15552 KB Output is correct
42 Correct 49 ms 13688 KB Output is correct
43 Correct 168 ms 17720 KB Output is correct
44 Correct 174 ms 17764 KB Output is correct
45 Correct 162 ms 19588 KB Output is correct
46 Correct 108 ms 16928 KB Output is correct
47 Correct 146 ms 16932 KB Output is correct
48 Correct 80 ms 17944 KB Output is correct
49 Correct 162 ms 18408 KB Output is correct
50 Correct 175 ms 22032 KB Output is correct
51 Correct 175 ms 21484 KB Output is correct
52 Correct 137 ms 15976 KB Output is correct
53 Correct 66 ms 16312 KB Output is correct