oj.uz

Submission #447180

# Submission time Handle Problem Language Result Execution time Memory
447180 2021-07-25T02:48:30 Z LucaDantas Financial Report (JOI21_financial) C++17
100 / 100
 484 ms 51316 KB 
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;

constexpr int inf = 0x3f3f3f3f;
constexpr int maxn = 3e5 + 10;

int n;

struct SegmentTree {
	int tree[2*maxn];
	void upd(int p, int v) {
		for(tree[p += n] = v; p > 0; p >>= 1)
			tree[p>>1] = max(tree[p], tree[p^1]);
	}
	// query the segment [l..r)
	int query(int l, int r) {
		++r;
		int ans = 0;
		for(l += n, r += n; l < r; l >>= 1, r >>= 1) {
			if(l&1) ans = max(ans, tree[l++]);
			if(r&1) ans = max(ans, tree[--r]);
		}
		return ans;
	}
	void deb() {
		for(int i = 0; i < n; i++)
			cerr << tree[i+n] << ' ';
		cerr << endl;
	}
} seg;

int a[maxn];

vector<pii> td;

int main() {
	int D; scanf("%d %d", &n, &D);
	for(int i = 0; i < n; i++)
		scanf("%d", &a[i]), td.push_back({a[i], -i});
	sort(td.begin(), td.end());
	for(int i = 0; i < n; i++)
		a[-td[i].second] = i;
	set<pii> vivos, vida;
	set<int> atv; int tempo = 0;
	auto limpa = [&](int l, int r) {
		auto it = atv.lower_bound(l);
		while(it != atv.end() && *it < r)
			seg.upd(*it, 0), it = atv.erase(it);
	};
	auto enche = [&](int pos) {
		auto it = vivos.lower_bound({pos, 0});
		while(it != vivos.end()) {
			vida.erase({it->second, it->first});
			it = vivos.erase(it);
		}
	};
	auto seca = [&]() {
		while(vida.size() && vida.begin()->first + D < tempo) {
			int l = vida.begin()->second;
			auto gld = vivos.lower_bound({l, inf});
			int r = gld == vivos.end() ? inf : gld->first;
			// db(l, r);
			limpa(l, r);
			vivos.erase({vida.begin()->second, vida.begin()->first});
			vida.erase(vida.begin());
		}
	};
	int ans = 0;
	for(int i = 0; i < n; i++) {
		enche(a[i]);
		vivos.insert({a[i], tempo});
		atv.insert(a[i]);
		vida.insert({tempo, a[i]});
		ans = max(ans, seg.query(0, a[i])+1);
		seg.upd(a[i], seg.query(0, a[i])+1);
		++tempo;
		seca();
	}
	printf("%d\n", ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |  int D; scanf("%d %d", &n, &D);
      |         ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   scanf("%d", &a[i]), td.push_back({a[i], -i});
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 5 ms 576 KB Output is correct
42 Correct 5 ms 460 KB Output is correct
43 Correct 6 ms 588 KB Output is correct
44 Correct 5 ms 572 KB Output is correct
45 Correct 6 ms 716 KB Output is correct
46 Correct 6 ms 844 KB Output is correct
47 Correct 5 ms 568 KB Output is correct
48 Correct 6 ms 588 KB Output is correct
49 Correct 6 ms 588 KB Output is correct
50 Correct 6 ms 644 KB Output is correct
51 Correct 5 ms 460 KB Output is correct
52 Correct 5 ms 460 KB Output is correct
53 Correct 5 ms 460 KB Output is correct
54 Correct 6 ms 528 KB Output is correct
55 Correct 8 ms 776 KB Output is correct
56 Correct 7 ms 824 KB Output is correct
57 Correct 7 ms 736 KB Output is correct
58 Correct 5 ms 844 KB Output is correct
59 Correct 5 ms 844 KB Output is correct
60 Correct 5 ms 716 KB Output is correct
61 Correct 5 ms 716 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 213 ms 23180 KB Output is correct
2 Correct 230 ms 10712 KB Output is correct
3 Correct 256 ms 9168 KB Output is correct
4 Correct 239 ms 9068 KB Output is correct
5 Correct 220 ms 9128 KB Output is correct
6 Correct 240 ms 9128 KB Output is correct
7 Correct 156 ms 9128 KB Output is correct
8 Correct 211 ms 23092 KB Output is correct
9 Correct 169 ms 9200 KB Output is correct
10 Correct 212 ms 15936 KB Output is correct
11 Correct 220 ms 9144 KB Output is correct
12 Correct 233 ms 9056 KB Output is correct
13 Correct 215 ms 9116 KB Output is correct
14 Correct 243 ms 9072 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 209 ms 23440 KB Output is correct
2 Correct 371 ms 23100 KB Output is correct
3 Correct 432 ms 23088 KB Output is correct
4 Correct 417 ms 23080 KB Output is correct
5 Correct 391 ms 23144 KB Output is correct
6 Correct 430 ms 23092 KB Output is correct
7 Correct 373 ms 51316 KB Output is correct
8 Correct 205 ms 23084 KB Output is correct
9 Correct 324 ms 27000 KB Output is correct
10 Correct 325 ms 22984 KB Output is correct
11 Correct 443 ms 23172 KB Output is correct
12 Correct 321 ms 23080 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 5 ms 576 KB Output is correct
42 Correct 5 ms 460 KB Output is correct
43 Correct 6 ms 588 KB Output is correct
44 Correct 5 ms 572 KB Output is correct
45 Correct 6 ms 716 KB Output is correct
46 Correct 6 ms 844 KB Output is correct
47 Correct 5 ms 568 KB Output is correct
48 Correct 6 ms 588 KB Output is correct
49 Correct 6 ms 588 KB Output is correct
50 Correct 6 ms 644 KB Output is correct
51 Correct 5 ms 460 KB Output is correct
52 Correct 5 ms 460 KB Output is correct
53 Correct 5 ms 460 KB Output is correct
54 Correct 6 ms 528 KB Output is correct
55 Correct 8 ms 776 KB Output is correct
56 Correct 7 ms 824 KB Output is correct
57 Correct 7 ms 736 KB Output is correct
58 Correct 5 ms 844 KB Output is correct
59 Correct 5 ms 844 KB Output is correct
60 Correct 5 ms 716 KB Output is correct
61 Correct 5 ms 716 KB Output is correct
62 Correct 213 ms 23180 KB Output is correct
63 Correct 230 ms 10712 KB Output is correct
64 Correct 256 ms 9168 KB Output is correct
65 Correct 239 ms 9068 KB Output is correct
66 Correct 220 ms 9128 KB Output is correct
67 Correct 240 ms 9128 KB Output is correct
68 Correct 156 ms 9128 KB Output is correct
69 Correct 211 ms 23092 KB Output is correct
70 Correct 169 ms 9200 KB Output is correct
71 Correct 212 ms 15936 KB Output is correct
72 Correct 220 ms 9144 KB Output is correct
73 Correct 233 ms 9056 KB Output is correct
74 Correct 215 ms 9116 KB Output is correct
75 Correct 243 ms 9072 KB Output is correct
76 Correct 209 ms 23440 KB Output is correct
77 Correct 371 ms 23100 KB Output is correct
78 Correct 432 ms 23088 KB Output is correct
79 Correct 417 ms 23080 KB Output is correct
80 Correct 391 ms 23144 KB Output is correct
81 Correct 430 ms 23092 KB Output is correct
82 Correct 373 ms 51316 KB Output is correct
83 Correct 205 ms 23084 KB Output is correct
84 Correct 324 ms 27000 KB Output is correct
85 Correct 325 ms 22984 KB Output is correct
86 Correct 443 ms 23172 KB Output is correct
87 Correct 321 ms 23080 KB Output is correct
88 Correct 264 ms 9144 KB Output is correct
89 Correct 267 ms 9360 KB Output is correct
90 Correct 323 ms 12756 KB Output is correct
91 Correct 402 ms 21544 KB Output is correct
92 Correct 345 ms 23140 KB Output is correct
93 Correct 484 ms 23184 KB Output is correct
94 Correct 445 ms 23208 KB Output is correct
95 Correct 250 ms 9276 KB Output is correct
96 Correct 295 ms 11112 KB Output is correct
97 Correct 348 ms 13872 KB Output is correct
98 Correct 412 ms 21416 KB Output is correct
99 Correct 422 ms 23028 KB Output is correct
100 Correct 431 ms 23080 KB Output is correct
101 Correct 184 ms 9128 KB Output is correct
102 Correct 218 ms 9132 KB Output is correct
103 Correct 239 ms 9184 KB Output is correct
104 Correct 272 ms 9512 KB Output is correct
105 Correct 333 ms 13328 KB Output is correct
106 Correct 267 ms 22444 KB Output is correct
107 Correct 314 ms 23124 KB Output is correct
108 Correct 395 ms 23060 KB Output is correct
109 Correct 265 ms 9128 KB Output is correct
110 Correct 371 ms 18236 KB Output is correct
111 Correct 353 ms 21036 KB Output is correct
112 Correct 387 ms 21084 KB Output is correct
113 Correct 448 ms 23244 KB Output is correct
114 Correct 383 ms 23060 KB Output is correct
115 Correct 223 ms 23244 KB Output is correct
116 Correct 223 ms 23084 KB Output is correct
117 Correct 225 ms 23040 KB Output is correct
118 Correct 228 ms 23104 KB Output is correct
119 Correct 237 ms 22948 KB Output is correct
120 Correct 241 ms 23044 KB Output is correct