oj.uz

Submission #717878

# Submission time Handle Problem Language Result Execution time Memory
717878 2023-04-02T17:45:07 Z Radin_Zahedi2 Financial Report (JOI21_financial) C++17
100 / 100
 132 ms 12676 KB 
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define sz(x) (int)x.size()
#define endl '\n'
     
     
int n, d;
const int N = 3e5 + 5;
const int L = (1 << 19);
int a[N];
     
int mini[N];
int reach[N];

int seg[(L << 1)];

void upd(int b, int e, int x) {
	e++;

	b += L;
	e += L;

	while (b != e) {
		if (b & 1) {
			seg[b] = max(seg[b], x);

			b++;
		}
		if (e & 1) {
			e--;

			seg[e] = max(seg[e], x);
		}

		b >>= 1;
		e >>= 1;
	}
}

int get(int ind) {
	ind += L;

	int ans = 0;

	while (ind) {
		ans = max(ans, seg[ind]);

		ind >>= 1;
	}

	return ans;
}

void input() {
    cin >> n >> d;
     
    for (int i = 1; i <= n; i++) {
    	cin >> a[i];
		//a[i] = i;
    }
}
     
void cremini() {
    deque<int> dq;
    for (int i = 1; i < d; i++) {
    	while (!dq.empty()) {
    		if (a[dq.front()] < a[i]) {
    			break;
    		}

    		dq.pop_front();
    	}
    	dq.push_front(i);
    }
     
    for (int i = d; i <= n; i++) {
    	while (!dq.empty()) {
    		if (a[dq.front()] < a[i]) {
    			break;
    		}
     
    		dq.pop_front();
    	}
    	dq.push_front(i);
     
    	if (dq.back() == i - d) {
    		dq.pop_back();
    	}
     
    	mini[i] = a[dq.back()];
    }
}

void crereach() {
    vector<int> obs;
    for (int i = n; i >= 1; i--) {
    	int lobs = sz(obs), robs = -1;
    	while (lobs - 1 != robs) {
    		int m = (lobs + robs + 1) / 2;
     
    		if (mini[obs[m]] > a[i]) {
    			robs = m;
    		}
    		else {
    			lobs = m;
    		}
    	}
     
    	reach[i] = n;
    	if (robs != -1) {
    		reach[i] = obs[robs];
    	}

    	if (i + d - 1 <= n) {
    		while (!obs.empty()) {
    			if (mini[i + d - 1] < mini[obs.back()]) {
    				break;
    			}
    			
    			obs.pop_back();
    		}
    		obs.pb(i + d - 1);
    	}
    }
}
     
void solve() {
    cremini();
    crereach();
     

	int dp[n + 1];

	pair<int, int> nums[n + 1];;
	for (int i = 1; i <= n; i++) {
		nums[i] = mp(a[i], -i);
	}

	sort(nums + 1, nums + n + 1);
	for (int i = 1; i <= n; i++) {
		int ind = -nums[i].se;

		dp[ind] = get(ind) + 1;

		upd(ind + 1, reach[ind], dp[ind]);
	}
     
     
    int ans = 0;
    for (int i = 1; i <= n; i++) {
    	ans = max(ans, dp[i]);
    }
     
    cout << ans;
}
     
int main() {
    ios::sync_with_stdio(false);
	cin.tie(0);
    cout.tie(0);
     
    input();
     
    solve();
     
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 3 ms 592 KB Output is correct
43 Correct 3 ms 724 KB Output is correct
44 Correct 3 ms 596 KB Output is correct
45 Correct 3 ms 640 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 3 ms 596 KB Output is correct
48 Correct 3 ms 592 KB Output is correct
49 Correct 3 ms 596 KB Output is correct
50 Correct 3 ms 596 KB Output is correct
51 Correct 2 ms 664 KB Output is correct
52 Correct 3 ms 596 KB Output is correct
53 Correct 3 ms 596 KB Output is correct
54 Correct 3 ms 592 KB Output is correct
55 Correct 3 ms 580 KB Output is correct
56 Correct 3 ms 596 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 2 ms 596 KB Output is correct
59 Correct 2 ms 596 KB Output is correct
60 Correct 2 ms 596 KB Output is correct
61 Correct 2 ms 596 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 12640 KB Output is correct
2 Correct 84 ms 12216 KB Output is correct
3 Correct 104 ms 12592 KB Output is correct
4 Correct 106 ms 12596 KB Output is correct
5 Correct 83 ms 12524 KB Output is correct
6 Correct 91 ms 12620 KB Output is correct
7 Correct 59 ms 11508 KB Output is correct
8 Correct 73 ms 12624 KB Output is correct
9 Correct 66 ms 12440 KB Output is correct
10 Correct 69 ms 12568 KB Output is correct
11 Correct 78 ms 12564 KB Output is correct
12 Correct 83 ms 12568 KB Output is correct
13 Correct 67 ms 12492 KB Output is correct
14 Correct 80 ms 12496 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 11776 KB Output is correct
2 Correct 112 ms 11368 KB Output is correct
3 Correct 106 ms 11388 KB Output is correct
4 Correct 117 ms 11532 KB Output is correct
5 Correct 99 ms 11340 KB Output is correct
6 Correct 117 ms 11376 KB Output is correct
7 Correct 61 ms 12488 KB Output is correct
8 Correct 67 ms 11212 KB Output is correct
9 Correct 75 ms 11336 KB Output is correct
10 Correct 93 ms 11188 KB Output is correct
11 Correct 98 ms 11132 KB Output is correct
12 Correct 87 ms 11244 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 3 ms 592 KB Output is correct
43 Correct 3 ms 724 KB Output is correct
44 Correct 3 ms 596 KB Output is correct
45 Correct 3 ms 640 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 3 ms 596 KB Output is correct
48 Correct 3 ms 592 KB Output is correct
49 Correct 3 ms 596 KB Output is correct
50 Correct 3 ms 596 KB Output is correct
51 Correct 2 ms 664 KB Output is correct
52 Correct 3 ms 596 KB Output is correct
53 Correct 3 ms 596 KB Output is correct
54 Correct 3 ms 592 KB Output is correct
55 Correct 3 ms 580 KB Output is correct
56 Correct 3 ms 596 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 2 ms 596 KB Output is correct
59 Correct 2 ms 596 KB Output is correct
60 Correct 2 ms 596 KB Output is correct
61 Correct 2 ms 596 KB Output is correct
62 Correct 72 ms 12640 KB Output is correct
63 Correct 84 ms 12216 KB Output is correct
64 Correct 104 ms 12592 KB Output is correct
65 Correct 106 ms 12596 KB Output is correct
66 Correct 83 ms 12524 KB Output is correct
67 Correct 91 ms 12620 KB Output is correct
68 Correct 59 ms 11508 KB Output is correct
69 Correct 73 ms 12624 KB Output is correct
70 Correct 66 ms 12440 KB Output is correct
71 Correct 69 ms 12568 KB Output is correct
72 Correct 78 ms 12564 KB Output is correct
73 Correct 83 ms 12568 KB Output is correct
74 Correct 67 ms 12492 KB Output is correct
75 Correct 80 ms 12496 KB Output is correct
76 Correct 96 ms 11776 KB Output is correct
77 Correct 112 ms 11368 KB Output is correct
78 Correct 106 ms 11388 KB Output is correct
79 Correct 117 ms 11532 KB Output is correct
80 Correct 99 ms 11340 KB Output is correct
81 Correct 117 ms 11376 KB Output is correct
82 Correct 61 ms 12488 KB Output is correct
83 Correct 67 ms 11212 KB Output is correct
84 Correct 75 ms 11336 KB Output is correct
85 Correct 93 ms 11188 KB Output is correct
86 Correct 98 ms 11132 KB Output is correct
87 Correct 87 ms 11244 KB Output is correct
88 Correct 120 ms 12364 KB Output is correct
89 Correct 106 ms 12372 KB Output is correct
90 Correct 123 ms 12516 KB Output is correct
91 Correct 106 ms 12356 KB Output is correct
92 Correct 101 ms 12344 KB Output is correct
93 Correct 125 ms 12304 KB Output is correct
94 Correct 111 ms 11864 KB Output is correct
95 Correct 95 ms 12572 KB Output is correct
96 Correct 121 ms 12676 KB Output is correct
97 Correct 111 ms 12508 KB Output is correct
98 Correct 106 ms 12624 KB Output is correct
99 Correct 118 ms 12536 KB Output is correct
100 Correct 109 ms 12512 KB Output is correct
101 Correct 65 ms 12608 KB Output is correct
102 Correct 86 ms 12640 KB Output is correct
103 Correct 103 ms 12592 KB Output is correct
104 Correct 108 ms 12624 KB Output is correct
105 Correct 102 ms 12640 KB Output is correct
106 Correct 93 ms 12572 KB Output is correct
107 Correct 105 ms 12556 KB Output is correct
108 Correct 132 ms 12544 KB Output is correct
109 Correct 74 ms 12616 KB Output is correct
110 Correct 99 ms 12584 KB Output is correct
111 Correct 105 ms 12620 KB Output is correct
112 Correct 100 ms 12624 KB Output is correct
113 Correct 103 ms 12604 KB Output is correct
114 Correct 105 ms 12540 KB Output is correct
115 Correct 63 ms 11504 KB Output is correct
116 Correct 63 ms 11344 KB Output is correct
117 Correct 90 ms 11980 KB Output is correct
118 Correct 87 ms 11984 KB Output is correct
119 Correct 99 ms 12584 KB Output is correct
120 Correct 96 ms 12592 KB Output is correct