oj.uz

Submission #485758

# Submission time Handle Problem Language Result Execution time Memory
485758 2021-11-09T08:26:18 Z hollwo_pelw Financial Report (JOI21_financial) C++17
100 / 100
 244 ms 11464 KB 
/*
// is short or still long ???
hollwo_pelw's template(short)
// Note : -Dhollwo_pelw_local
*/

#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/trie_policy.hpp>
// #include <ext/rope>

using namespace std;
// using namespace __gnu_pbds;
// using namespace __gnu_cxx;

void FAST_IO(string filein = "", string fileout = "", string fileerr = ""){
	if (fopen(filein.c_str(), "r")){
		freopen(filein.c_str(), "r", stdin);
		freopen(fileout.c_str(), "w", stdout);
#ifdef hollwo_pelw_local
		freopen(fileerr.c_str(), "w", stderr);
#endif
	}
	cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
}

void Hollwo_Pelw();

signed main(){
#ifdef hollwo_pelw_local
	FAST_IO("input.inp", "output.out", "error.err");
	auto start = chrono::steady_clock::now();
#else
	FAST_IO("JOI21_financial.inp", "JOI21_financial.out");
#endif
	int testcases = 1;
	// cin >> testcases;
	for (int test = 1; test <= testcases; test++){
		// cout << "Case #" << test << ": ";
		Hollwo_Pelw();
	}
#ifdef hollwo_pelw_local
	auto end = chrono::steady_clock::now();
	cout << "\nExcution time : " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif
	return 0;
}

const int N = 3e5 + 5;

int n, d, a[N], ord[N], st[N << 2], sz = 1;
set<pair<int, int>> ranges; // >= d

inline void del_pos(int p) {
	auto it = ranges.upper_bound({p, n});

	if (it == ranges.begin()) return ;
	if ((--it) -> second < p) return ;

	ranges.erase(it);

	int l = it -> first, r = it -> second;
	if (p - l >= d) ranges.emplace(l, p - 1);
	if (r - p >= d) ranges.emplace(p + 1, r);
}

inline int get_pos(int p) {
	auto it = ranges.upper_bound({p, p});
	if (it == ranges.begin()) 
		return 0;
	return (-- it) -> second + 1;
}

inline void update(int p, int v) {
	for (st[p += sz] = v; p >>= 1; )
		st[p] = max(st[p << 1], st[p << 1 | 1]);
}

inline int query(int l, int r) {
	int res = 0;
	for (l += sz, r += sz; l < r; l >>= 1, r >>= 1) {
		if (l & 1) res = max(res, st[l ++]);
		if (r & 1) res = max(res, st[-- r]);
	}
	return res;
}

void Hollwo_Pelw() {
	cin >> n >> d;
	for (int i = 1; i <= n; i++)
		cin >> a[i];

	ranges.emplace(1, n);
	while (sz <= n) sz <<= 1;

	iota(ord + 1, ord + n + 1, 1);
	sort(ord + 1, ord + n + 1, [](const int &x, const int &y) {
		return a[x] == a[y] ? x > y : a[x] < a[y];
	});

	for (int _ = 1; _ <= n; _++) {
		int p = ord[_];
		
		del_pos(p);

		int val = query(get_pos(p), p) + 1;
		
		update(p, val);
	}

	cout << st[1];
}

Compilation message

Main.cpp: In function 'void FAST_IO(std::string, std::string, std::string)':
Main.cpp:18:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   freopen(filein.c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:19:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   freopen(fileout.c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct

Subtask #2
14.0 / 14.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 0 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 4 ms 460 KB Output is correct
42 Correct 4 ms 496 KB Output is correct
43 Correct 2 ms 460 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 2 ms 332 KB Output is correct
46 Correct 2 ms 332 KB Output is correct
47 Correct 3 ms 332 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 2 ms 332 KB Output is correct
50 Correct 2 ms 332 KB Output is correct
51 Correct 3 ms 332 KB Output is correct
52 Correct 3 ms 460 KB Output is correct
53 Correct 2 ms 332 KB Output is correct
54 Correct 2 ms 332 KB Output is correct
55 Correct 2 ms 332 KB Output is correct
56 Correct 2 ms 332 KB Output is correct
57 Correct 2 ms 340 KB Output is correct
58 Correct 2 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 2 ms 332 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 5736 KB Output is correct
2 Correct 142 ms 10960 KB Output is correct
3 Correct 184 ms 11464 KB Output is correct
4 Correct 235 ms 11332 KB Output is correct
5 Correct 174 ms 10488 KB Output is correct
6 Correct 244 ms 11340 KB Output is correct
7 Correct 76 ms 7784 KB Output is correct
8 Correct 61 ms 7904 KB Output is correct
9 Correct 75 ms 7872 KB Output is correct
10 Correct 68 ms 7876 KB Output is correct
11 Correct 173 ms 8052 KB Output is correct
12 Correct 187 ms 8260 KB Output is correct
13 Correct 141 ms 7876 KB Output is correct
14 Correct 173 ms 8204 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 5936 KB Output is correct
2 Correct 95 ms 7788 KB Output is correct
3 Correct 103 ms 7900 KB Output is correct
4 Correct 99 ms 7840 KB Output is correct
5 Correct 89 ms 7904 KB Output is correct
6 Correct 101 ms 7980 KB Output is correct
7 Correct 61 ms 7804 KB Output is correct
8 Correct 62 ms 7920 KB Output is correct
9 Correct 66 ms 7876 KB Output is correct
10 Correct 88 ms 7824 KB Output is correct
11 Correct 96 ms 7888 KB Output is correct
12 Correct 89 ms 7904 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 0 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 4 ms 460 KB Output is correct
42 Correct 4 ms 496 KB Output is correct
43 Correct 2 ms 460 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 2 ms 332 KB Output is correct
46 Correct 2 ms 332 KB Output is correct
47 Correct 3 ms 332 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 2 ms 332 KB Output is correct
50 Correct 2 ms 332 KB Output is correct
51 Correct 3 ms 332 KB Output is correct
52 Correct 3 ms 460 KB Output is correct
53 Correct 2 ms 332 KB Output is correct
54 Correct 2 ms 332 KB Output is correct
55 Correct 2 ms 332 KB Output is correct
56 Correct 2 ms 332 KB Output is correct
57 Correct 2 ms 340 KB Output is correct
58 Correct 2 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 2 ms 332 KB Output is correct
62 Correct 62 ms 5736 KB Output is correct
63 Correct 142 ms 10960 KB Output is correct
64 Correct 184 ms 11464 KB Output is correct
65 Correct 235 ms 11332 KB Output is correct
66 Correct 174 ms 10488 KB Output is correct
67 Correct 244 ms 11340 KB Output is correct
68 Correct 76 ms 7784 KB Output is correct
69 Correct 61 ms 7904 KB Output is correct
70 Correct 75 ms 7872 KB Output is correct
71 Correct 68 ms 7876 KB Output is correct
72 Correct 173 ms 8052 KB Output is correct
73 Correct 187 ms 8260 KB Output is correct
74 Correct 141 ms 7876 KB Output is correct
75 Correct 173 ms 8204 KB Output is correct
76 Correct 70 ms 5936 KB Output is correct
77 Correct 95 ms 7788 KB Output is correct
78 Correct 103 ms 7900 KB Output is correct
79 Correct 99 ms 7840 KB Output is correct
80 Correct 89 ms 7904 KB Output is correct
81 Correct 101 ms 7980 KB Output is correct
82 Correct 61 ms 7804 KB Output is correct
83 Correct 62 ms 7920 KB Output is correct
84 Correct 66 ms 7876 KB Output is correct
85 Correct 88 ms 7824 KB Output is correct
86 Correct 96 ms 7888 KB Output is correct
87 Correct 89 ms 7904 KB Output is correct
88 Correct 204 ms 9892 KB Output is correct
89 Correct 187 ms 9296 KB Output is correct
90 Correct 149 ms 8516 KB Output is correct
91 Correct 100 ms 7948 KB Output is correct
92 Correct 91 ms 7864 KB Output is correct
93 Correct 101 ms 7924 KB Output is correct
94 Correct 101 ms 7836 KB Output is correct
95 Correct 178 ms 9544 KB Output is correct
96 Correct 134 ms 8516 KB Output is correct
97 Correct 110 ms 7952 KB Output is correct
98 Correct 101 ms 7956 KB Output is correct
99 Correct 97 ms 7928 KB Output is correct
100 Correct 100 ms 7852 KB Output is correct
101 Correct 79 ms 7832 KB Output is correct
102 Correct 71 ms 7892 KB Output is correct
103 Correct 80 ms 7864 KB Output is correct
104 Correct 83 ms 7876 KB Output is correct
105 Correct 95 ms 7908 KB Output is correct
106 Correct 90 ms 7876 KB Output is correct
107 Correct 91 ms 7876 KB Output is correct
108 Correct 100 ms 7916 KB Output is correct
109 Correct 125 ms 7876 KB Output is correct
110 Correct 113 ms 8168 KB Output is correct
111 Correct 104 ms 7876 KB Output is correct
112 Correct 88 ms 7848 KB Output is correct
113 Correct 94 ms 7852 KB Output is correct
114 Correct 94 ms 7876 KB Output is correct
115 Correct 65 ms 7876 KB Output is correct
116 Correct 78 ms 7872 KB Output is correct
117 Correct 87 ms 7876 KB Output is correct
118 Correct 92 ms 7888 KB Output is correct
119 Correct 87 ms 7832 KB Output is correct
120 Correct 87 ms 7876 KB Output is correct