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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#709657#4780. 完美的队列NineSuns0 0ms0kbC++144.0kb2024-11-04 16:04:372024-11-04 16:04:39

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  • [2024-11-04 16:04:39]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:0kb
  • [2024-11-04 16:04:37]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
#define pb push_back

using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int N = 1e5+5, B = N, b = 85, inf = 0x3f3f3f3f; 
int n, m, a[N], l[N], r[N], x[N], rk[N], lb[B], rb[B], sr[N], cb[B], sa[N], bv[N], ans[N], ed; 
pii stk[N]; 
vector <int> dx[B], col[N]; 
deque <pii> qs[N];
int mx, ad; 

struct ST {
	priority_queue <pii> a, b; 
	void ins (pii x) {
		a.push(x); 
	}
	void del (pii x) {
		b.push(x); 
	}
	int size () {
		return a.size()-b.size(); 
	}
	pii top () {
		while (a.top() == b.top()) a.pop(), b.pop();
		return a.top(); 
	}
}qb[B];

void chk (int id, int x, int k) {
	if (l[id] <= lb[x] && rb[x] <= r[id]) {
		mx += k; ad += k; 
		return; 
	}
	if (l[id] > rb[x] || r[id] < lb[x]) return; 
	mx = -inf; 
	for (int j = max(l[id], lb[x]);j <= min(r[id], rb[x]);j++) bv[j] += k; 
	for (int j = lb[x];j <= rb[x];j++) mx = max(mx, ad+bv[j]); 
}

void solve () {
	cin >> n >> m; 
	for (int i = 1;i <= n;i++) cin >> a[i]; 
	for (int i = 1;i <= m;i++) cin >> l[i] >> r[i] >> x[i], col[x[i]].pb(i); 
	for (int i = 1; ;i++) {
		lb[i] = rb[i-1]+1; rb[i] = min(n, rb[i-1]+b);
		for (int j = lb[i];j <= rb[i];j++) rk[j] = i;  
		if (rb[i] == n) break; 
	}
	for (int i = 1;i <= m;i++) {
		if (rk[l[i]] == rk[r[i]]) {
			for (int j = l[i];j <= r[i];j++) {
				sa[j]++; 
				if (qs[j].size()) {
					qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j}); 
					if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
						sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
					}
				}
				qs[j].pb({cb[rk[j]]+sa[j]+a[j], i}); 
				qb[rk[j]].ins({qs[j].front().fi-sa[j], j}); 
			}
		}
		else {
			for (int j = l[i];j <= rb[rk[l[i]]];j++) {
				sa[j]++; 
				if (qs[j].size()) {
					qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j}); 
					if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
						sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
					}
				}
				qs[j].pb({cb[rk[j]]+sa[j]+a[j], i}); 
				qb[rk[j]].ins({qs[j].front().fi-sa[j], j}); 
			}
			for (int j = lb[rk[r[i]]];j <= r[i];j++) {
				sa[j]++; 
				if (qs[j].size()) {
					qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j}); 
					if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
						sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
					}
				}
				qs[j].pb({cb[rk[j]]+sa[j]+a[j], i}); 
				qb[rk[j]].ins({qs[j].front().fi-sa[j], j}); 
			}
			for (int j = rk[l[i]]+1;j < rk[r[i]];j++) {
				cb[j]++;
				while (qb[j].size()) {
					pii k = qb[j].top(); 
					if (k.fi > cb[j]) break; 
					qb[j].del(k); 
					sr[qs[k.se].front().se] = max(sr[qs[k.se].front().se], i-1); 
					qs[k.se].pop_front(); 
					if (qs[k.se].size()) qb[j].ins({qs[k.se].front().fi-sa[k.se], k.se}); 
				}
				dx[j].pb(i); 
			} 
		}
	}
//	return; 
	for (int i = 1;i <= rk[n];i++) {
		int l = 1, r = 0; mx = -inf; ad = 0; 
		for (int z = lb[i];z <= rb[i];z++) mx = max(mx, a[z]), bv[z] = a[z]; 
		for (int j : dx[i]) {
			while (r < j) ++r, chk(r, i, -1);  
			while (l <= j) chk(l, i, 1), l++;
			while (r < m && mx > 0) ++r, chk(r, i, -1);  
//			cout << j << " " << r << endl; 
			if (mx > 0) sr[j] = max(sr[j], m); 
			else sr[j] = max(sr[j], r-1); 
		}
	}
	for (int i = 1;i <= n;i++) while (qs[i].size()) sr[qs[i].front().se] = m, qs[i].pop_front(); 
	for (int i = 1;i <= 1e5;i++) {
		reverse(col[i].begin(), col[i].end()); 
		for (int j : col[i]) {
			int r = sr[j];
			while (ed && stk[ed].fi <= r) {
				r = max(r, stk[ed].se); ed--; 
			}
			stk[++ed] = {j, r}; 
		}
		while (ed) {
			ans[stk[ed].fi]++; ans[stk[ed].se+1]--; 
			ed--; 
		}
	}
	for (int i = 1;i <= m;i++) ans[i] += ans[i-1]; 
	for (int i = 1;i <= m;i++) cout << ans[i] << '\n'; 
	
}

signed main () {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int T = 1; 
	while (T--) solve();
	return 0;
}

详细

Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

input:

5000 4999
99 36 47 78 58 58 64 12 42 54 29 56 57 32 99 21 1 6 42 97 82 8 79 92 3 56 19 41 29 59 23 34 76 34 82 20 44 51 60 73 89 65 51 65 15 87 65 70 51 26 40 95 44 62 97 81 43 13 20 81 76 64 47 95 54 56 99 62 91 63 98 58 70 60 47 97 31 74 76 70 10 30 99 33 52 100 14 65 4 6 87 4 8 1 8 87 18 70 76 43...

output:


result:


Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Skipped

Dependency #3:

0%

Subtask #5:

score: 0
Runtime Error

Test #5:

score: 0
Runtime Error

input:

25000 25000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:


result:


Subtask #6:

score: 0
Skipped

Dependency #4:

0%

Subtask #7:

score: 0
Runtime Error

Test #7:

score: 0
Runtime Error

input:

34999 35000
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

output:


result:


Subtask #8:

score: 0
Skipped

Dependency #6:

0%

Subtask #9:

score: 0
Runtime Error

Test #9:

score: 0
Runtime Error

input:

45000 45000
10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ...

output:


result:


Subtask #10:

score: 0
Skipped

Dependency #8:

0%

Subtask #11:

score: 0
Skipped

Dependency #5:

0%

Subtask #12:

score: 0
Skipped

Dependency #11:

0%

Subtask #13:

score: 0
Runtime Error

Test #13:

score: 0
Runtime Error

input:

65000 65000
5 7 8 6 3 6 8 7 2 3 5 10 9 9 4 3 9 1 2 9 1 1 6 10 1 10 5 4 7 1 9 6 6 8 10 5 8 3 2 5 2 3 6 8 7 3 2 3 6 5 1 10 6 2 4 7 8 1 3 3 5 4 2 5 2 5 3 3 6 7 6 9 5 3 10 3 6 2 8 10 9 10 2 5 4 10 3 3 6 3 5 7 141 3 6 3 10 2 7 6 3 5 9 4 10 1 3 9 9 8 2 5 10 1 7 1 8 5 3 3 7 7 9 7 4 1 9 2 2 4 8 6 10 5 7 3 3...

output:


result:


Subtask #14:

score: 0
Skipped

Dependency #12:

0%

Subtask #15:

score: 0
Skipped

Dependency #13:

0%

Subtask #16:

score: 0
Skipped

Dependency #14:

0%

Subtask #17:

score: 0
Skipped

Dependency #16:

0%

Subtask #18:

score: 0
Skipped

Dependency #17:

0%

Subtask #19:

score: 0
Skipped

Dependency #18:

0%

Subtask #20:

score: 0
Skipped

Dependency #19:

0%