oj.uz

Submission #538841

# Submission time Handle Problem Language Result Execution time Memory
538841 2022-03-17T21:55:05 Z aryan12 Financial Report (JOI21_financial) C++17
100 / 100
 647 ms 46944 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

const int N = 3e5 + 5;
int n, k;
vector<int> a(N), seg(N * 4), par(N), min_lol(N);

bool cmp(pair<int, int> x, pair<int, int> y) {
    if(x.first == y.first) {
        return x.second > y.second;
    }
    return x.first < y.first;
}

int Find(int x) {
	if(x == par[x]) return x;
	return par[x] = Find(par[x]);
}

void Unite(int x, int y) {
	x = Find(x), y = Find(y);
    min_lol[y] = min(min_lol[x], min_lol[y]);
	par[x] = y;
}

int Query(int l, int r, int pos, int ql, int qr) {
	if(ql <= l && r <= qr) {
		return seg[pos];
	}
	if(ql > r || l > qr) {
		return 0;
	}
	int mid = (l + r) >> 1;
	return max(Query(l, mid, pos * 2, ql, qr), Query(mid + 1, r, pos * 2 + 1, ql, qr));
}

void Update(int l, int r, int pos, int qpos, int qval) {
	if(l == r) {
		seg[pos] = qval;
		return;
	}
	int mid = (l + r) >> 1;
	if(qpos <= mid) {
        Update(l, mid, pos * 2, qpos, qval);
    }
    else {
	    Update(mid + 1, r, pos * 2 + 1, qpos, qval);
    }
	seg[pos] = max(seg[pos * 2], seg[pos * 2 + 1]);
}

void Solve() {
	cin >> n >> k;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
        par[i] = i;
        min_lol[i] = i;
	}
	map<int, int> mp;
	for(int i = 1; i <= n; i++) {
		mp[a[i]]++;
	}
	int cnt = 1;
	for(auto i: mp) {
		mp[i.first] = cnt++;
	}
	for(int i = 1; i <= n; i++) {
		a[i] = mp[a[i]];
	}
	vector<pair<int, int> > temp;
	for(int i = 1; i <= n; i++) {
		temp.push_back({a[i], i});
	}
	sort(temp.begin(), temp.end(), cmp);
	for(int i = 0; i < temp.size(); i++) {
        //cout << temp[i].first << " " << temp[i].second << "\n";
		for(int j = temp[i].second; j > max(1LL, temp[i].second - k); j--) {
            //cout << temp[i].first << " " << temp[i].second << " " << j << "\n";
            if(Find(j) != Find(j - 1)) {
                Unite(j - 1, j);
            }
            j = min_lol[Find(j)] + 1;
        }
        /*for(int j = temp[i].second; j < min(n, temp[i].second + k); j++) {
            if(Find(j) != Find(j + 1)) {
                Unite(j, j + 1);
            }
        }*/
        int val = Query(1, n, 1, min_lol[Find(temp[i].second)], temp[i].second - 1);
        Update(1, n, 1, temp[i].second, val + 1);
        //cout << "val = " << val << "\n";
	}
    cout << seg[1] << "\n";
}

int32_t main() {
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) {
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Compilation message

Main.cpp: In function 'void Solve()':
Main.cpp:78:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |  for(int i = 0; i < temp.size(); i++) {
      |                 ~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16700 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16768 KB Output is correct
4 Correct 10 ms 16724 KB Output is correct
5 Correct 8 ms 16740 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 7 ms 16652 KB Output is correct
8 Correct 7 ms 16724 KB Output is correct
9 Correct 7 ms 16748 KB Output is correct
10 Correct 7 ms 16724 KB Output is correct
11 Correct 9 ms 16688 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 7 ms 16724 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 10 ms 16720 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 7 ms 16664 KB Output is correct
23 Correct 7 ms 16696 KB Output is correct
24 Correct 7 ms 16768 KB Output is correct
25 Correct 7 ms 16724 KB Output is correct
26 Correct 7 ms 16724 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16700 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16768 KB Output is correct
4 Correct 10 ms 16724 KB Output is correct
5 Correct 8 ms 16740 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 7 ms 16652 KB Output is correct
8 Correct 7 ms 16724 KB Output is correct
9 Correct 7 ms 16748 KB Output is correct
10 Correct 7 ms 16724 KB Output is correct
11 Correct 9 ms 16688 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 7 ms 16724 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 10 ms 16720 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 7 ms 16664 KB Output is correct
23 Correct 7 ms 16696 KB Output is correct
24 Correct 7 ms 16768 KB Output is correct
25 Correct 7 ms 16724 KB Output is correct
26 Correct 7 ms 16724 KB Output is correct
27 Correct 10 ms 16764 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 7 ms 16724 KB Output is correct
30 Correct 7 ms 16724 KB Output is correct
31 Correct 8 ms 16724 KB Output is correct
32 Correct 8 ms 16724 KB Output is correct
33 Correct 8 ms 16724 KB Output is correct
34 Correct 8 ms 16724 KB Output is correct
35 Correct 8 ms 16724 KB Output is correct
36 Correct 8 ms 16800 KB Output is correct
37 Correct 8 ms 16724 KB Output is correct
38 Correct 7 ms 16724 KB Output is correct
39 Correct 7 ms 16724 KB Output is correct
40 Correct 7 ms 16724 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16700 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16768 KB Output is correct
4 Correct 10 ms 16724 KB Output is correct
5 Correct 8 ms 16740 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 7 ms 16652 KB Output is correct
8 Correct 7 ms 16724 KB Output is correct
9 Correct 7 ms 16748 KB Output is correct
10 Correct 7 ms 16724 KB Output is correct
11 Correct 9 ms 16688 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 7 ms 16724 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 10 ms 16720 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 7 ms 16664 KB Output is correct
23 Correct 7 ms 16696 KB Output is correct
24 Correct 7 ms 16768 KB Output is correct
25 Correct 7 ms 16724 KB Output is correct
26 Correct 7 ms 16724 KB Output is correct
27 Correct 10 ms 16764 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 7 ms 16724 KB Output is correct
30 Correct 7 ms 16724 KB Output is correct
31 Correct 8 ms 16724 KB Output is correct
32 Correct 8 ms 16724 KB Output is correct
33 Correct 8 ms 16724 KB Output is correct
34 Correct 8 ms 16724 KB Output is correct
35 Correct 8 ms 16724 KB Output is correct
36 Correct 8 ms 16800 KB Output is correct
37 Correct 8 ms 16724 KB Output is correct
38 Correct 7 ms 16724 KB Output is correct
39 Correct 7 ms 16724 KB Output is correct
40 Correct 7 ms 16724 KB Output is correct
41 Correct 14 ms 16996 KB Output is correct
42 Correct 13 ms 17340 KB Output is correct
43 Correct 12 ms 16980 KB Output is correct
44 Correct 13 ms 17148 KB Output is correct
45 Correct 12 ms 17236 KB Output is correct
46 Correct 18 ms 17452 KB Output is correct
47 Correct 13 ms 17328 KB Output is correct
48 Correct 16 ms 17380 KB Output is correct
49 Correct 14 ms 17392 KB Output is correct
50 Correct 16 ms 17364 KB Output is correct
51 Correct 12 ms 17364 KB Output is correct
52 Correct 14 ms 17364 KB Output is correct
53 Correct 11 ms 17364 KB Output is correct
54 Correct 12 ms 17416 KB Output is correct
55 Correct 13 ms 17364 KB Output is correct
56 Correct 12 ms 17400 KB Output is correct
57 Correct 15 ms 17364 KB Output is correct
58 Correct 11 ms 17456 KB Output is correct
59 Correct 13 ms 17364 KB Output is correct
60 Correct 12 ms 17376 KB Output is correct
61 Correct 12 ms 17384 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 25076 KB Output is correct
2 Correct 185 ms 25060 KB Output is correct
3 Correct 304 ms 25068 KB Output is correct
4 Correct 581 ms 41096 KB Output is correct
5 Correct 474 ms 43960 KB Output is correct
6 Correct 644 ms 43848 KB Output is correct
7 Correct 264 ms 43704 KB Output is correct
8 Correct 257 ms 43828 KB Output is correct
9 Correct 225 ms 43888 KB Output is correct
10 Correct 225 ms 43840 KB Output is correct
11 Correct 359 ms 43892 KB Output is correct
12 Correct 415 ms 43884 KB Output is correct
13 Correct 442 ms 43844 KB Output is correct
14 Correct 612 ms 43856 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 25028 KB Output is correct
2 Correct 255 ms 27864 KB Output is correct
3 Correct 291 ms 28236 KB Output is correct
4 Correct 647 ms 46744 KB Output is correct
5 Correct 537 ms 46760 KB Output is correct
6 Correct 583 ms 46752 KB Output is correct
7 Correct 245 ms 46684 KB Output is correct
8 Correct 256 ms 46808 KB Output is correct
9 Correct 243 ms 46552 KB Output is correct
10 Correct 360 ms 46672 KB Output is correct
11 Correct 532 ms 46752 KB Output is correct
12 Correct 404 ms 46692 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16700 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16768 KB Output is correct
4 Correct 10 ms 16724 KB Output is correct
5 Correct 8 ms 16740 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 7 ms 16652 KB Output is correct
8 Correct 7 ms 16724 KB Output is correct
9 Correct 7 ms 16748 KB Output is correct
10 Correct 7 ms 16724 KB Output is correct
11 Correct 9 ms 16688 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 7 ms 16724 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 10 ms 16720 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 7 ms 16664 KB Output is correct
23 Correct 7 ms 16696 KB Output is correct
24 Correct 7 ms 16768 KB Output is correct
25 Correct 7 ms 16724 KB Output is correct
26 Correct 7 ms 16724 KB Output is correct
27 Correct 10 ms 16764 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 7 ms 16724 KB Output is correct
30 Correct 7 ms 16724 KB Output is correct
31 Correct 8 ms 16724 KB Output is correct
32 Correct 8 ms 16724 KB Output is correct
33 Correct 8 ms 16724 KB Output is correct
34 Correct 8 ms 16724 KB Output is correct
35 Correct 8 ms 16724 KB Output is correct
36 Correct 8 ms 16800 KB Output is correct
37 Correct 8 ms 16724 KB Output is correct
38 Correct 7 ms 16724 KB Output is correct
39 Correct 7 ms 16724 KB Output is correct
40 Correct 7 ms 16724 KB Output is correct
41 Correct 14 ms 16996 KB Output is correct
42 Correct 13 ms 17340 KB Output is correct
43 Correct 12 ms 16980 KB Output is correct
44 Correct 13 ms 17148 KB Output is correct
45 Correct 12 ms 17236 KB Output is correct
46 Correct 18 ms 17452 KB Output is correct
47 Correct 13 ms 17328 KB Output is correct
48 Correct 16 ms 17380 KB Output is correct
49 Correct 14 ms 17392 KB Output is correct
50 Correct 16 ms 17364 KB Output is correct
51 Correct 12 ms 17364 KB Output is correct
52 Correct 14 ms 17364 KB Output is correct
53 Correct 11 ms 17364 KB Output is correct
54 Correct 12 ms 17416 KB Output is correct
55 Correct 13 ms 17364 KB Output is correct
56 Correct 12 ms 17400 KB Output is correct
57 Correct 15 ms 17364 KB Output is correct
58 Correct 11 ms 17456 KB Output is correct
59 Correct 13 ms 17364 KB Output is correct
60 Correct 12 ms 17376 KB Output is correct
61 Correct 12 ms 17384 KB Output is correct
62 Correct 153 ms 25076 KB Output is correct
63 Correct 185 ms 25060 KB Output is correct
64 Correct 304 ms 25068 KB Output is correct
65 Correct 581 ms 41096 KB Output is correct
66 Correct 474 ms 43960 KB Output is correct
67 Correct 644 ms 43848 KB Output is correct
68 Correct 264 ms 43704 KB Output is correct
69 Correct 257 ms 43828 KB Output is correct
70 Correct 225 ms 43888 KB Output is correct
71 Correct 225 ms 43840 KB Output is correct
72 Correct 359 ms 43892 KB Output is correct
73 Correct 415 ms 43884 KB Output is correct
74 Correct 442 ms 43844 KB Output is correct
75 Correct 612 ms 43856 KB Output is correct
76 Correct 153 ms 25028 KB Output is correct
77 Correct 255 ms 27864 KB Output is correct
78 Correct 291 ms 28236 KB Output is correct
79 Correct 647 ms 46744 KB Output is correct
80 Correct 537 ms 46760 KB Output is correct
81 Correct 583 ms 46752 KB Output is correct
82 Correct 245 ms 46684 KB Output is correct
83 Correct 256 ms 46808 KB Output is correct
84 Correct 243 ms 46552 KB Output is correct
85 Correct 360 ms 46672 KB Output is correct
86 Correct 532 ms 46752 KB Output is correct
87 Correct 404 ms 46692 KB Output is correct
88 Correct 360 ms 28128 KB Output is correct
89 Correct 594 ms 46032 KB Output is correct
90 Correct 382 ms 30824 KB Output is correct
91 Correct 615 ms 46816 KB Output is correct
92 Correct 214 ms 27964 KB Output is correct
93 Correct 293 ms 28348 KB Output is correct
94 Correct 526 ms 41100 KB Output is correct
95 Correct 527 ms 46748 KB Output is correct
96 Correct 545 ms 46932 KB Output is correct
97 Correct 581 ms 46744 KB Output is correct
98 Correct 597 ms 46836 KB Output is correct
99 Correct 589 ms 46724 KB Output is correct
100 Correct 574 ms 46752 KB Output is correct
101 Correct 231 ms 46680 KB Output is correct
102 Correct 248 ms 46728 KB Output is correct
103 Correct 281 ms 46780 KB Output is correct
104 Correct 310 ms 46744 KB Output is correct
105 Correct 391 ms 46692 KB Output is correct
106 Correct 333 ms 46760 KB Output is correct
107 Correct 409 ms 46780 KB Output is correct
108 Correct 561 ms 46756 KB Output is correct
109 Correct 360 ms 46744 KB Output is correct
110 Correct 520 ms 46756 KB Output is correct
111 Correct 553 ms 46740 KB Output is correct
112 Correct 384 ms 46680 KB Output is correct
113 Correct 526 ms 46756 KB Output is correct
114 Correct 527 ms 46748 KB Output is correct
115 Correct 258 ms 46712 KB Output is correct
116 Correct 254 ms 46676 KB Output is correct
117 Correct 286 ms 46780 KB Output is correct
118 Correct 265 ms 46780 KB Output is correct
119 Correct 285 ms 46944 KB Output is correct
120 Correct 261 ms 46808 KB Output is correct