Submission #513773

# Submission time Handle Problem Language Result Execution time Memory
513773 2022-01-17T15:35:10 Z Mazaalai Money (IZhO17_money) C++17
9 / 100
4 ms 336 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));
	for (int i = 1; i < M; i++) {
		if (cnt[i] > 0) sorted.pb(i);
	}
	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 4 ms 332 KB Output is correct
2 Correct 4 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 332 KB Output is correct
2 Correct 4 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Incorrect 4 ms 332 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 4 ms 332 KB Output is correct
2 Correct 4 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Incorrect 4 ms 332 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 4 ms 332 KB Output is correct
2 Correct 4 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Incorrect 4 ms 332 KB Output isn't correct
18 Halted 0 ms 0 KB -