Submission #513659

# Submission time Handle Problem Language Result Execution time Memory
513659 2022-01-17T11:32:01 Z Mazaalai Money (IZhO17_money) C++17
100 / 100
270 ms 20876 KB
#include <bits/stdc++.h>
#define pb push_back
#define LINE "-----------------\n"
#define ALL(x) x.begin(),x.end()
using namespace std;
int n, m;
vector <int> nums, sorted;
const int N = 1e6 + 5;
const int M = 1e6 + 1;
int cnt[N], nx[N], pv[N];

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	cin >> n;
	for (int i = 0; i < n; i++) {
		int x; cin >> x;
		cnt[x]++;
		nums.pb(x);
		sorted.pb(x);
	}
	sort(ALL(sorted));
	nx[0] = sorted[0];
	pv[sorted[0]] = 0;
	for (int i = 0; i < n - 1; i++) {
		if (sorted[i] != sorted[i+1]) {
			nx[sorted[i]] = sorted[i+1];
			pv[sorted[i+1]] = sorted[i];
		}
	}
	nx[sorted.back()] = M;
	pv[M] = sorted.back();
	int ans = 0;
	for (int i = n - 1, j, curCnt, a, b; i >= 0; i--) {
		curCnt = 1;
		bool border = 1;
		for (j = i-1; j >= 0; j--) {
			if (nums[j] == nums[j+1]) {
				curCnt++;
				continue;
			} else {
				if (nx[nums[j]] != nums[j+1]) break;
				if (!border && curCnt != cnt[nums[j+1]]) break;
				cnt[nums[j+1]] -= curCnt;
				if (cnt[nums[j+1]] == 0) {
					a = pv[nums[j+1]], b = nx[nums[j+1]];
					nx[a] = b;
					pv[b] = a;
				}
				border = 0;
				curCnt = 1;
			}
		}
		cnt[nums[j+1]] -= curCnt;
		if (cnt[nums[j+1]] == 0) {
			a = pv[nums[j+1]], b = nx[nums[j+1]];
			nx[a] = b;
			pv[b] = a;
		}
		ans++;
		i = j+1;
	}
	cout << ans << '\n';
}







# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 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 332 KB Output is correct
11 Correct 0 ms 320 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 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 332 KB Output is correct
11 Correct 0 ms 320 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 324 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 1 ms 444 KB Output is correct
26 Correct 0 ms 460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 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 332 KB Output is correct
11 Correct 0 ms 320 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 324 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 1 ms 444 KB Output is correct
26 Correct 0 ms 460 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 0 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 1 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 1996 KB Output is correct
38 Correct 1 ms 1996 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 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 332 KB Output is correct
11 Correct 0 ms 320 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 324 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 1 ms 444 KB Output is correct
26 Correct 0 ms 460 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 0 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 1 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 1996 KB Output is correct
38 Correct 1 ms 1996 KB Output is correct
39 Correct 65 ms 5032 KB Output is correct
40 Correct 99 ms 7472 KB Output is correct
41 Correct 45 ms 4288 KB Output is correct
42 Correct 44 ms 4284 KB Output is correct
43 Correct 28 ms 3332 KB Output is correct
44 Correct 111 ms 9100 KB Output is correct
45 Correct 113 ms 9108 KB Output is correct
46 Correct 117 ms 9112 KB Output is correct
47 Correct 108 ms 9096 KB Output is correct
48 Correct 124 ms 9092 KB Output is correct
49 Correct 190 ms 20800 KB Output is correct
50 Correct 187 ms 20796 KB Output is correct
51 Correct 182 ms 20752 KB Output is correct
52 Correct 190 ms 20764 KB Output is correct
53 Correct 196 ms 20740 KB Output is correct
54 Correct 179 ms 20788 KB Output is correct
55 Correct 242 ms 20828 KB Output is correct
56 Correct 238 ms 20684 KB Output is correct
57 Correct 242 ms 20800 KB Output is correct
58 Correct 270 ms 20804 KB Output is correct
59 Correct 245 ms 20744 KB Output is correct
60 Correct 249 ms 20836 KB Output is correct
61 Correct 237 ms 20876 KB Output is correct
62 Correct 253 ms 20720 KB Output is correct