Submission #1010912

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1010912	2024-06-29T14:12:57 Z	ByeWorld	Money (IZhO17_money)	C++14	100 / 100	1010 ms	69972 KB

money

#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
#define ll long long
#define int long long
#define pb push_back
#define fi first
#define se second
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
#define ld long double
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii, int> ipii;
const int MAXN = 1e6+20;
const int MAXA = 9e3+20;
const ll INF = 1e18+10;
const int LOG = 19;
const int MOD = 1e9+7;
const int SQRT = 450;
const vector<int> NOL = {};
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const vector<int> dx = {1, -1, 0, 0};
const vector<int> dy = {0, 0, 1, -1};

int n;
int a[MAXN], dp[MAXN];
set <int> s;

signed main(){
	cin >> n;
	int cnt = 0;
	for(int i=1; i<=n; i++) {
		int x; cin >> x;
		if(x != a[cnt]) a[++cnt] = x;
	}
	n = cnt;
	int las = 1;
	for(int i=1; i<=n; i++){
		if(a[i-1] > a[i]){
			for(int j=las; j<=i-1; j++) s.insert(a[j]);
			las = i;
		}
		// cout << las << ' ' << i << " las\n";
		int less = -INF; 
		auto it = s.lower_bound(a[i]);
		if(it != s.begin()) less = *(--it);
		// cout << less << " les\n";
		int l=las, r=i, mid=0, cnt=i;
		while(l <= r){
			mid = md;
			auto nw = s.upper_bound(a[mid]);
			if(nw == s.begin()){
				if(less == -INF){ cnt = mid; r = mid-1; }
				else l = mid+1;
			} else {
				if(less == *(--nw)){ cnt = mid; r = mid-1; }
				else l = mid+1;
			}
		}
		// cout << cnt << "cnt\n";
		dp[i] = dp[cnt-1]+1;
	}
	cout << dp[n] << '\n';
}

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	352 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct

Subtask #2
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	352 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	352 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	448 KB	Output is correct
32	Correct	1 ms	608 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct

Subtask #4
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	352 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	448 KB	Output is correct
32	Correct	1 ms	608 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	94 ms	9560 KB	Output is correct
40	Correct	171 ms	16976 KB	Output is correct
41	Correct	82 ms	7652 KB	Output is correct
42	Correct	71 ms	7760 KB	Output is correct
43	Correct	51 ms	5564 KB	Output is correct
44	Correct	208 ms	20672 KB	Output is correct
45	Correct	191 ms	20056 KB	Output is correct
46	Correct	204 ms	20816 KB	Output is correct
47	Correct	178 ms	14872 KB	Output is correct
48	Correct	191 ms	17664 KB	Output is correct
49	Correct	481 ms	39608 KB	Output is correct
50	Correct	458 ms	38740 KB	Output is correct
51	Correct	504 ms	40192 KB	Output is correct
52	Correct	461 ms	38736 KB	Output is correct
53	Correct	479 ms	39320 KB	Output is correct
54	Correct	482 ms	38480 KB	Output is correct
55	Correct	889 ms	69780 KB	Output is correct
56	Correct	870 ms	69716 KB	Output is correct
57	Correct	880 ms	69716 KB	Output is correct
58	Correct	942 ms	69556 KB	Output is correct
59	Correct	959 ms	69972 KB	Output is correct
60	Correct	919 ms	69552 KB	Output is correct
61	Correct	889 ms	69592 KB	Output is correct
62	Correct	1010 ms	69560 KB	Output is correct

Submission #1010912

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 55.0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
55.0 / 55.0