oj.uz

Submission #879692

# Submission time Handle Problem Language Result Execution time Memory
879692 2023-11-27T22:54:21 Z OAleksa Sails (IOI07_sails) C++14
30 / 100
 1000 ms 41044 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
const int maxn = 1e6 + 69;
int n;
pair<int, int> st[4 * maxn], a[maxn];
void combine(int v) {
	auto l1 = st[v * 2];
	auto r1 = st[v * 2 + 1];
	if (l1.f < r1.f)
		st[v] = st[v * 2];
	else
		st[v] = st[v * 2 + 1];
}
void build(int v, int l, int r) {
	if (l == r) {
		st[v] = {0, l};
	}
	else {
		int mid = (l + r) / 2;
		build(v * 2, l, mid);
		build(v * 2 + 1, mid + 1, r);
		combine(v);
	}
}
void upd(int v, int tl, int tr, int p, int val) {
	if (tl == tr) {
		st[v].f = val;
	}
	else {
		int mid = (tl + tr) / 2;
		if (p <= mid)
			upd(v * 2, tl, mid, p, val);
		else
			upd(v * 2 + 1, mid + 1, tr, p, val);
		combine(v);
	}
}
pair<int, int> qry(int v, int tl, int tr, int l, int r) {
	if (tl > r || tr < l)
		return {1e9, -1};
	else if (tl >= l && tr <= r)
		return st[v];
	else {
		int mid = (tl + tr) / 2;
		auto l1 = qry(v * 2, tl, mid, l, r);
		auto r1 = qry(v * 2 + 1, mid + 1, tr, l, r);
		if (l1.f < r1.f)
			return l1;
		else
			return r1;
	}
}
signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
   int tt = 1;
  	//cin >> tt;
   while (tt--) {
   	cin >> n;
   	for (int i = 1;i <= n;i++) 
   		cin >> a[i].f >> a[i].s;
   	build(1, 1, 1e6);
   	sort(a + 1, a + n + 1);
   	int ans = 0;
   	for (int i = 1;i <= n;i++) {
   		vector<pair<int, int>> x;
   		while (a[i].s > 0) {
   			auto r = qry(1, 1, 1e6, 1, a[i].f);
   			ans += r.f;
   			x.push_back({r.f, r.s});
   			upd(1, 1, 1e6, r.s, 1e9);
   			a[i].s--;
   		}
   		for (auto t : x) 
   			upd(1, 1, 1e6, t.s, t.f + 1);
   	}
   	cout << ans;
	}
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 35164 KB Output is correct
2 Correct 10 ms 35164 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 35164 KB Output is correct
2 Correct 10 ms 35348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 35164 KB Output is correct
2 Correct 9 ms 35296 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 35356 KB Output is correct
2 Correct 49 ms 35164 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1010 ms 35724 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1059 ms 35980 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1050 ms 37664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1031 ms 37712 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1051 ms 41044 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1044 ms 37660 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1056 ms 38044 KB Time limit exceeded
2 Halted 0 ms 0 KB -