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Submission #399559

# Submission time Handle Problem Language Result Execution time Memory
399559 2021-05-06T05:38:05 Z ronnith Potatoes and fertilizers (LMIO19_bulves) C++14
100 / 100
 249 ms 24888 KB 
#include <bits/stdc++.h>

using namespace std;

struct Line {
	long long m, c;
	Line() {}
	Line(long long mm, long long cc) : m(mm), c(cc) {}
	inline long long getY(long long x) { return m*x+c; }
};

const int N = (int)5e5;
int n, a[N], b[N];
long long d[N];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	cin >> n;

	for (int i = 0;i < n;i ++) {
		cin >> a[i] >> b[i];
		d[i] = a[i] - b[i];
		if (i != 0) d[i] += d[i - 1];
	}

	Line line;
	priority_queue<long long> pq;
	if (d[0] > 0) {
		pq.push(d[0]);
		line = Line(-1, d[0]);
	} else {
		line = Line(0, -d[0]);
	}

	for (int i = 1;i < n - 1;i ++) {
		if (d[i] >= 0) {
			pq.push(d[i]);
			pq.push(d[i]);
			pq.pop();
			line.m --;
			line.c += d[i];
		} else {
			if (line.m + 1 > 0) {
				line.m = 0;
				line.c += -d[i];
				while ((int)pq.size()) pq.pop();
			} else {
				line.m ++;
				line.c += -d[i];
				pq.pop();
			}
		}
	}

	vector<long long> val;
	while ((int)pq.size()) {
		val.push_back(pq.top());
		pq.pop();
	}
	sort(val.begin(), val.end());

	for (auto& e : val) {
		if (e >= d[n - 1]) break;
		long long y = line.getY(e);
		line.m ++;
		line.c = y - line.m * e; 
	}

	cout << line.getY(d[n - 1]) << '\n';

	return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 16 ms 1616 KB Output is correct
5 Correct 34 ms 2988 KB Output is correct
6 Correct 117 ms 9116 KB Output is correct
7 Correct 106 ms 8516 KB Output is correct
8 Correct 217 ms 18424 KB Output is correct
9 Correct 119 ms 9284 KB Output is correct
10 Correct 144 ms 18112 KB Output is correct
11 Correct 148 ms 18120 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 16 ms 1616 KB Output is correct
5 Correct 34 ms 2988 KB Output is correct
6 Correct 117 ms 9116 KB Output is correct
7 Correct 106 ms 8516 KB Output is correct
8 Correct 217 ms 18424 KB Output is correct
9 Correct 119 ms 9284 KB Output is correct
10 Correct 144 ms 18112 KB Output is correct
11 Correct 148 ms 18120 KB Output is correct
12 Correct 54 ms 4488 KB Output is correct
13 Correct 130 ms 9888 KB Output is correct
14 Correct 111 ms 8428 KB Output is correct
15 Correct 213 ms 18204 KB Output is correct
16 Correct 208 ms 16832 KB Output is correct
17 Correct 148 ms 18208 KB Output is correct
18 Correct 1 ms 460 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 2 ms 332 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 16 ms 1616 KB Output is correct
12 Correct 34 ms 2988 KB Output is correct
13 Correct 117 ms 9116 KB Output is correct
14 Correct 106 ms 8516 KB Output is correct
15 Correct 217 ms 18424 KB Output is correct
16 Correct 119 ms 9284 KB Output is correct
17 Correct 144 ms 18112 KB Output is correct
18 Correct 148 ms 18120 KB Output is correct
19 Correct 54 ms 4488 KB Output is correct
20 Correct 130 ms 9888 KB Output is correct
21 Correct 111 ms 8428 KB Output is correct
22 Correct 213 ms 18204 KB Output is correct
23 Correct 208 ms 16832 KB Output is correct
24 Correct 148 ms 18208 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 2 ms 460 KB Output is correct
27 Correct 2 ms 460 KB Output is correct
28 Correct 2 ms 460 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 460 KB Output is correct
31 Correct 2 ms 332 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 57 ms 6432 KB Output is correct
34 Correct 152 ms 17616 KB Output is correct
35 Correct 249 ms 24788 KB Output is correct
36 Correct 243 ms 22464 KB Output is correct
37 Correct 220 ms 23020 KB Output is correct
38 Correct 247 ms 24888 KB Output is correct
39 Correct 174 ms 21124 KB Output is correct
40 Correct 189 ms 19900 KB Output is correct
41 Correct 150 ms 20076 KB Output is correct
42 Correct 149 ms 20124 KB Output is correct
43 Correct 147 ms 20068 KB Output is correct
44 Correct 145 ms 20172 KB Output is correct
45 Correct 215 ms 23264 KB Output is correct
46 Correct 188 ms 20420 KB Output is correct
47 Correct 166 ms 18200 KB Output is correct