oj.uz

Submission #501614

# Submission time Handle Problem Language Result Execution time Memory
501614 2022-01-04T07:56:57 Z mansur Money (IZhO17_money) C++17
100 / 100
 1189 ms 101048 KB 
#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e18, N = 1e6 + 1, mod = 998244353;                    

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

vector<int> t(4 * N, inf);

void update(int u, int tl, int tr, int l, int r, int val) {
	if (tl > r || tr < l) return;
	if (tl >= l && tr <= r) {
		t[u] = min(t[u], val);
		return;
	}
	int mid = (tl + tr) / 2;
	update(u * 2, tl, mid, l, r, val);
	update(u * 2 + 1, mid + 1, tr, l, r, val);
}

int get(int u, int tl, int tr, int pos) {
	if (tl == tr) return t[u];
	int mid = (tl + tr) / 2;
	if (pos <= mid) {
	 	return min(get(u * 2, tl, mid, pos), t[u]);
	}
	return min(get(u * 2 + 1, mid + 1, tr, pos), t[u]);
}

main() {                                                         
	//freopen("cowrect.in", "r", stdin);                                                                                     
	//freopen("cowrect.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);  
	int n;
	cin >> n;
	int a[n + 1], r[n + 1];
	for (int i = 1; i <= n; i++) cin >> a[i];
	int l = 1;
	for (int i = 2; i <= n; i++) {
		if (a[i] < a[i - 1]) {
			while (l < i) {
            	r[l++] = i - 1;
            }
		}
	}
	while (l <= n) {
       	r[l++] = n;
	}
	set<int> s;
	update(1, 0, n, 0, 0, 0);
	for (int i = 1; i <= n; i++) {
		auto it = s.upper_bound(a[i]);
		int val;
		if (it == s.end()) val = inf;
		else val = *it;
		int tl = i, tr = r[i], pos;
		while (tl <= tr) {
		    int mid = (tl + tr) / 2;
		    if (a[mid] <= val) {
		   		tl = mid + 1;
		   		pos = mid;
		    }else tr = mid - 1;
		}
		update(1, 0, n, i, pos, get(1, 0, n, i - 1) + 1);
		s.insert(a[i]);
	}
	cout << get(1, 0, n, n);
}

Compilation message

money.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
money.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
money.cpp:57:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main() {
      | ^~~~
money.cpp: In function 'int main()':
money.cpp:45:8: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |  update(u * 2 + 1, mid + 1, tr, l, r, val);
      |  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
money.cpp:84:26: note: 'pos' was declared here
   84 |   int tl = i, tr = r[i], pos;
      |                          ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31564 KB Output is correct
2 Correct 15 ms 31564 KB Output is correct
3 Correct 13 ms 31564 KB Output is correct
4 Correct 12 ms 31564 KB Output is correct
5 Correct 12 ms 31536 KB Output is correct
6 Correct 12 ms 31564 KB Output is correct
7 Correct 13 ms 31564 KB Output is correct
8 Correct 12 ms 31608 KB Output is correct
9 Correct 13 ms 31628 KB Output is correct
10 Correct 13 ms 31624 KB Output is correct
11 Correct 13 ms 31564 KB Output is correct
12 Correct 12 ms 31564 KB Output is correct
13 Correct 13 ms 31524 KB Output is correct
14 Correct 13 ms 31564 KB Output is correct
15 Correct 12 ms 31564 KB Output is correct
16 Correct 12 ms 31616 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31564 KB Output is correct
2 Correct 15 ms 31564 KB Output is correct
3 Correct 13 ms 31564 KB Output is correct
4 Correct 12 ms 31564 KB Output is correct
5 Correct 12 ms 31536 KB Output is correct
6 Correct 12 ms 31564 KB Output is correct
7 Correct 13 ms 31564 KB Output is correct
8 Correct 12 ms 31608 KB Output is correct
9 Correct 13 ms 31628 KB Output is correct
10 Correct 13 ms 31624 KB Output is correct
11 Correct 13 ms 31564 KB Output is correct
12 Correct 12 ms 31564 KB Output is correct
13 Correct 13 ms 31524 KB Output is correct
14 Correct 13 ms 31564 KB Output is correct
15 Correct 12 ms 31564 KB Output is correct
16 Correct 12 ms 31616 KB Output is correct
17 Correct 15 ms 31580 KB Output is correct
18 Correct 14 ms 31580 KB Output is correct
19 Correct 13 ms 31580 KB Output is correct
20 Correct 12 ms 31564 KB Output is correct
21 Correct 12 ms 31564 KB Output is correct
22 Correct 12 ms 31564 KB Output is correct
23 Correct 13 ms 31564 KB Output is correct
24 Correct 13 ms 31564 KB Output is correct
25 Correct 13 ms 31564 KB Output is correct
26 Correct 14 ms 31528 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31564 KB Output is correct
2 Correct 15 ms 31564 KB Output is correct
3 Correct 13 ms 31564 KB Output is correct
4 Correct 12 ms 31564 KB Output is correct
5 Correct 12 ms 31536 KB Output is correct
6 Correct 12 ms 31564 KB Output is correct
7 Correct 13 ms 31564 KB Output is correct
8 Correct 12 ms 31608 KB Output is correct
9 Correct 13 ms 31628 KB Output is correct
10 Correct 13 ms 31624 KB Output is correct
11 Correct 13 ms 31564 KB Output is correct
12 Correct 12 ms 31564 KB Output is correct
13 Correct 13 ms 31524 KB Output is correct
14 Correct 13 ms 31564 KB Output is correct
15 Correct 12 ms 31564 KB Output is correct
16 Correct 12 ms 31616 KB Output is correct
17 Correct 15 ms 31580 KB Output is correct
18 Correct 14 ms 31580 KB Output is correct
19 Correct 13 ms 31580 KB Output is correct
20 Correct 12 ms 31564 KB Output is correct
21 Correct 12 ms 31564 KB Output is correct
22 Correct 12 ms 31564 KB Output is correct
23 Correct 13 ms 31564 KB Output is correct
24 Correct 13 ms 31564 KB Output is correct
25 Correct 13 ms 31564 KB Output is correct
26 Correct 14 ms 31528 KB Output is correct
27 Correct 12 ms 31564 KB Output is correct
28 Correct 12 ms 31564 KB Output is correct
29 Correct 13 ms 31604 KB Output is correct
30 Correct 12 ms 31576 KB Output is correct
31 Correct 13 ms 31524 KB Output is correct
32 Correct 12 ms 31544 KB Output is correct
33 Correct 12 ms 31564 KB Output is correct
34 Correct 14 ms 31604 KB Output is correct
35 Correct 12 ms 31612 KB Output is correct
36 Correct 13 ms 31632 KB Output is correct
37 Correct 12 ms 31604 KB Output is correct
38 Correct 12 ms 31564 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31564 KB Output is correct
2 Correct 15 ms 31564 KB Output is correct
3 Correct 13 ms 31564 KB Output is correct
4 Correct 12 ms 31564 KB Output is correct
5 Correct 12 ms 31536 KB Output is correct
6 Correct 12 ms 31564 KB Output is correct
7 Correct 13 ms 31564 KB Output is correct
8 Correct 12 ms 31608 KB Output is correct
9 Correct 13 ms 31628 KB Output is correct
10 Correct 13 ms 31624 KB Output is correct
11 Correct 13 ms 31564 KB Output is correct
12 Correct 12 ms 31564 KB Output is correct
13 Correct 13 ms 31524 KB Output is correct
14 Correct 13 ms 31564 KB Output is correct
15 Correct 12 ms 31564 KB Output is correct
16 Correct 12 ms 31616 KB Output is correct
17 Correct 15 ms 31580 KB Output is correct
18 Correct 14 ms 31580 KB Output is correct
19 Correct 13 ms 31580 KB Output is correct
20 Correct 12 ms 31564 KB Output is correct
21 Correct 12 ms 31564 KB Output is correct
22 Correct 12 ms 31564 KB Output is correct
23 Correct 13 ms 31564 KB Output is correct
24 Correct 13 ms 31564 KB Output is correct
25 Correct 13 ms 31564 KB Output is correct
26 Correct 14 ms 31528 KB Output is correct
27 Correct 12 ms 31564 KB Output is correct
28 Correct 12 ms 31564 KB Output is correct
29 Correct 13 ms 31604 KB Output is correct
30 Correct 12 ms 31576 KB Output is correct
31 Correct 13 ms 31524 KB Output is correct
32 Correct 12 ms 31544 KB Output is correct
33 Correct 12 ms 31564 KB Output is correct
34 Correct 14 ms 31604 KB Output is correct
35 Correct 12 ms 31612 KB Output is correct
36 Correct 13 ms 31632 KB Output is correct
37 Correct 12 ms 31604 KB Output is correct
38 Correct 12 ms 31564 KB Output is correct
39 Correct 151 ms 42264 KB Output is correct
40 Correct 262 ms 49204 KB Output is correct
41 Correct 123 ms 40212 KB Output is correct
42 Correct 114 ms 39316 KB Output is correct
43 Correct 88 ms 37056 KB Output is correct
44 Correct 309 ms 53916 KB Output is correct
45 Correct 311 ms 53904 KB Output is correct
46 Correct 303 ms 54084 KB Output is correct
47 Correct 293 ms 54084 KB Output is correct
48 Correct 303 ms 54044 KB Output is correct
49 Correct 583 ms 72724 KB Output is correct
50 Correct 584 ms 72508 KB Output is correct
51 Correct 605 ms 72484 KB Output is correct
52 Correct 595 ms 72464 KB Output is correct
53 Correct 569 ms 72516 KB Output is correct
54 Correct 595 ms 72344 KB Output is correct
55 Correct 1189 ms 100932 KB Output is correct
56 Correct 1125 ms 101016 KB Output is correct
57 Correct 1105 ms 101016 KB Output is correct
58 Correct 1122 ms 101048 KB Output is correct
59 Correct 1067 ms 100876 KB Output is correct
60 Correct 1116 ms 100876 KB Output is correct
61 Correct 1114 ms 100908 KB Output is correct
62 Correct 1131 ms 100972 KB Output is correct