oj.uz

Submission #674747

# Submission time Handle Problem Language Result Execution time Memory
674747 2022-12-26T06:21:18 Z QwertyPi Lasers (NOI19_lasers) C++14
100 / 100
 391 ms 54504 KB 
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
using namespace std;

int32_t main(){
	int l, r; cin >> l >> r;
	vector<pair<int, int>> block;
	for(int i = 0; i < r; i++){
		int k; cin >> k; int s = 0;
		vector<int> a; vector<pair<int, int>> d;
		for(int j = 0; j < k; j++){
			int v; cin >> v; a.push_back(v);
		}
		auto add = [&d, &l] (int sl, int sr){
			d.push_back({0, 1});
			d.push_back({sl, -1});
			d.push_back({l - sr, 1});
			d.push_back({l, -1});
		};
		int sl = 0, sr = accumulate(a.begin(), a.end(), 0LL);
		add(sl, sr);
		for(auto i : a){
			sl += i; sr -= i;
			add(sl, sr);
		}
		sort(d.begin(), d.end());
		int cnt = 0;
		for(auto i : d){
			cnt += i.se;
			if(cnt == k && i.se == -1) block.push_back({i.fi, -1});
			if(cnt == k + 1 && i.se == 1) block.push_back({i.fi, 1});
		}
	}
	sort(block.begin(), block.end());
	int ans = 0, cnt = 0, pv = -(1 << 30);
	for(auto i : block){
		if(cnt > 0) ans += i.fi - pv;
		cnt += i.se;
		pv = i.fi;
	}
	cout << ans << endl;
}

Compilation message

lasers.cpp: In function 'int32_t main()':
lasers.cpp:11:24: warning: unused variable 's' [-Wunused-variable]
   11 |   int k; cin >> k; int s = 0;
      |                        ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 379 ms 17284 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 381 ms 9588 KB Output is correct
18 Correct 0 ms 296 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 32500 KB Output is correct
2 Correct 28 ms 6448 KB Output is correct
3 Correct 37 ms 7348 KB Output is correct
4 Correct 149 ms 31588 KB Output is correct
5 Correct 73 ms 20536 KB Output is correct
6 Correct 156 ms 36668 KB Output is correct
7 Correct 3 ms 976 KB Output is correct
8 Correct 188 ms 54504 KB Output is correct
9 Correct 84 ms 18968 KB Output is correct
10 Correct 154 ms 35500 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 32500 KB Output is correct
2 Correct 28 ms 6448 KB Output is correct
3 Correct 37 ms 7348 KB Output is correct
4 Correct 149 ms 31588 KB Output is correct
5 Correct 73 ms 20536 KB Output is correct
6 Correct 156 ms 36668 KB Output is correct
7 Correct 3 ms 976 KB Output is correct
8 Correct 188 ms 54504 KB Output is correct
9 Correct 84 ms 18968 KB Output is correct
10 Correct 154 ms 35500 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 357 ms 12408 KB Output is correct
22 Correct 61 ms 3032 KB Output is correct
23 Correct 40 ms 7400 KB Output is correct
24 Correct 179 ms 23352 KB Output is correct
25 Correct 345 ms 12452 KB Output is correct
26 Correct 118 ms 10080 KB Output is correct
27 Correct 49 ms 2872 KB Output is correct
28 Correct 348 ms 12448 KB Output is correct
29 Correct 354 ms 12640 KB Output is correct
30 Correct 130 ms 18836 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 379 ms 17284 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 381 ms 9588 KB Output is correct
18 Correct 0 ms 296 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 144 ms 32500 KB Output is correct
22 Correct 28 ms 6448 KB Output is correct
23 Correct 37 ms 7348 KB Output is correct
24 Correct 149 ms 31588 KB Output is correct
25 Correct 73 ms 20536 KB Output is correct
26 Correct 156 ms 36668 KB Output is correct
27 Correct 3 ms 976 KB Output is correct
28 Correct 188 ms 54504 KB Output is correct
29 Correct 84 ms 18968 KB Output is correct
30 Correct 154 ms 35500 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 300 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 357 ms 12408 KB Output is correct
42 Correct 61 ms 3032 KB Output is correct
43 Correct 40 ms 7400 KB Output is correct
44 Correct 179 ms 23352 KB Output is correct
45 Correct 345 ms 12452 KB Output is correct
46 Correct 118 ms 10080 KB Output is correct
47 Correct 49 ms 2872 KB Output is correct
48 Correct 348 ms 12448 KB Output is correct
49 Correct 354 ms 12640 KB Output is correct
50 Correct 130 ms 18836 KB Output is correct
51 Correct 59 ms 7136 KB Output is correct
52 Correct 391 ms 13604 KB Output is correct
53 Correct 381 ms 13520 KB Output is correct
54 Correct 94 ms 6244 KB Output is correct
55 Correct 227 ms 11304 KB Output is correct
56 Correct 155 ms 18044 KB Output is correct
57 Correct 151 ms 10880 KB Output is correct
58 Correct 382 ms 14040 KB Output is correct
59 Correct 111 ms 5652 KB Output is correct
60 Correct 153 ms 6960 KB Output is correct