Submission #33265

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
33265	2017-10-23T07:39:25 Z	user202729	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	100 / 100	466 ms	6708 KB

foehn_phenomena

// https://oj.uz/problem/view/JOI17_foehn_phenomena

#ifndef _GLIBCXX_DEBUG
#define NDEBUG
#endif // _GLIBCXX_DEBUG

#include <iostream>
#include <vector>
#include <cassert>


using ll = int64_t;

int main() {
	int JOIhome, nMove, decTempPerAlt, incTempPerAlt;
	std::cin >> JOIhome >> nMove >> decTempPerAlt >> incTempPerAlt;
	std::vector<ll> height (JOIhome + 1);
	for (ll& h : height) std::cin >> h;

	ll temperature = 0; // temperature at 0
	std::vector<ll> diff (JOIhome);

	auto add_diff = [&temperature, decTempPerAlt, incTempPerAlt](ll diff){
		if (diff > 0) {
			temperature -= decTempPerAlt * diff;
		} else {
			temperature += incTempPerAlt * (-diff);
		}
	};

	auto remove_diff = [&temperature, decTempPerAlt, incTempPerAlt](ll diff){
		if (diff > 0) {
			temperature += decTempPerAlt * diff;
		} else {
			temperature -= incTempPerAlt * (-diff);
		}
	};

	for (int spot = 1; spot <= JOIhome; ++spot) {
		// now temperature @ spot - 1
		diff[spot - 1] = height[spot] - height[spot - 1];
		add_diff(diff[spot - 1]);
	}

	std::vector<ll> result;
	result.reserve(nMove);

	while (nMove --> 0) {
		int leftBound, rightBound, delta;
		std::cin >> leftBound >> rightBound >> delta;

		assert(leftBound != 0);

		remove_diff(diff[leftBound - 1]);
		diff[leftBound - 1] += delta;
		add_diff(diff[leftBound - 1]);

		if (rightBound != JOIhome) {
			remove_diff(diff[rightBound]);
			diff[rightBound] -= delta;
			add_diff(diff[rightBound]);
		}

		result.push_back(temperature);
	}

	for (ll x : result) std::cout << x << '\n';
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2016 KB	Output is correct
2	Correct	3 ms	2016 KB	Output is correct
3	Correct	3 ms	2016 KB	Output is correct
4	Correct	3 ms	2016 KB	Output is correct
5	Correct	3 ms	2016 KB	Output is correct
6	Correct	3 ms	2016 KB	Output is correct
7	Correct	3 ms	2016 KB	Output is correct
8	Correct	3 ms	2016 KB	Output is correct
9	Correct	3 ms	2016 KB	Output is correct
10	Correct	3 ms	2016 KB	Output is correct
11	Correct	3 ms	2016 KB	Output is correct
12	Correct	3 ms	2016 KB	Output is correct
13	Correct	0 ms	2016 KB	Output is correct
14	Correct	3 ms	2016 KB	Output is correct
15	Correct	0 ms	2016 KB	Output is correct
16	Correct	3 ms	2016 KB	Output is correct
17	Correct	0 ms	2016 KB	Output is correct
18	Correct	0 ms	2016 KB	Output is correct
19	Correct	0 ms	2016 KB	Output is correct
20	Correct	0 ms	2016 KB	Output is correct
21	Correct	0 ms	2016 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	333 ms	6708 KB	Output is correct
2	Correct	353 ms	6708 KB	Output is correct
3	Correct	393 ms	6708 KB	Output is correct
4	Correct	379 ms	6708 KB	Output is correct
5	Correct	403 ms	6708 KB	Output is correct
6	Correct	326 ms	6708 KB	Output is correct
7	Correct	323 ms	6708 KB	Output is correct
8	Correct	379 ms	6708 KB	Output is correct
9	Correct	416 ms	6708 KB	Output is correct
10	Correct	379 ms	6708 KB	Output is correct
11	Correct	303 ms	6708 KB	Output is correct
12	Correct	313 ms	6708 KB	Output is correct
13	Correct	326 ms	6708 KB	Output is correct

Subtask #3

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2016 KB	Output is correct
2	Correct	3 ms	2016 KB	Output is correct
3	Correct	3 ms	2016 KB	Output is correct
4	Correct	3 ms	2016 KB	Output is correct
5	Correct	3 ms	2016 KB	Output is correct
6	Correct	3 ms	2016 KB	Output is correct
7	Correct	3 ms	2016 KB	Output is correct
8	Correct	3 ms	2016 KB	Output is correct
9	Correct	3 ms	2016 KB	Output is correct
10	Correct	3 ms	2016 KB	Output is correct
11	Correct	3 ms	2016 KB	Output is correct
12	Correct	3 ms	2016 KB	Output is correct
13	Correct	0 ms	2016 KB	Output is correct
14	Correct	3 ms	2016 KB	Output is correct
15	Correct	0 ms	2016 KB	Output is correct
16	Correct	3 ms	2016 KB	Output is correct
17	Correct	0 ms	2016 KB	Output is correct
18	Correct	0 ms	2016 KB	Output is correct
19	Correct	0 ms	2016 KB	Output is correct
20	Correct	0 ms	2016 KB	Output is correct
21	Correct	0 ms	2016 KB	Output is correct
22	Correct	333 ms	6708 KB	Output is correct
23	Correct	353 ms	6708 KB	Output is correct
24	Correct	393 ms	6708 KB	Output is correct
25	Correct	379 ms	6708 KB	Output is correct
26	Correct	403 ms	6708 KB	Output is correct
27	Correct	326 ms	6708 KB	Output is correct
28	Correct	323 ms	6708 KB	Output is correct
29	Correct	379 ms	6708 KB	Output is correct
30	Correct	416 ms	6708 KB	Output is correct
31	Correct	379 ms	6708 KB	Output is correct
32	Correct	303 ms	6708 KB	Output is correct
33	Correct	313 ms	6708 KB	Output is correct
34	Correct	326 ms	6708 KB	Output is correct
35	Correct	343 ms	6708 KB	Output is correct
36	Correct	349 ms	6708 KB	Output is correct
37	Correct	399 ms	6708 KB	Output is correct
38	Correct	406 ms	6708 KB	Output is correct
39	Correct	389 ms	6708 KB	Output is correct
40	Correct	386 ms	6708 KB	Output is correct
41	Correct	389 ms	6708 KB	Output is correct
42	Correct	413 ms	6708 KB	Output is correct
43	Correct	409 ms	6708 KB	Output is correct
44	Correct	363 ms	6708 KB	Output is correct
45	Correct	359 ms	6708 KB	Output is correct
46	Correct	466 ms	6708 KB	Output is correct
47	Correct	326 ms	6708 KB	Output is correct
48	Correct	269 ms	6708 KB	Output is correct
49	Correct	343 ms	6708 KB	Output is correct
50	Correct	289 ms	6708 KB	Output is correct
51	Correct	339 ms	6708 KB	Output is correct
52	Correct	333 ms	6708 KB	Output is correct