oj.uz

Submission #642234

# Submission time Handle Problem Language Result Execution time Memory
642234 2022-09-19T02:23:50 Z devariaota Lasers (NOI19_lasers) C++17
100 / 100
 112 ms 10016 KB 
#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int l, r; cin >> l >> r;
    vector<pair<int, int>>seg;

    for(int i = 1; i <= r; i++){
        int left = 0, right = l;
        int x; cin >> x;
        vector<int>v(x);
        for(int j = 0; j < x; j++){
            cin >> v[j];
            left += v[j];
        }
        left -= v.back();

        for(int j = x - 1; j >= 0; j--){
            int l1 = left, r1 = left + v[j];
            int l2 = right - v[j], r2 = right;
            if(max(l1, l2) < min(r1, r2)){
                seg.emplace_back(max(l1, l2), min(r1, r2));
            }
            if(j) left -= v[j - 1];
            right -= v[j];
        }
    }

    sort(seg.begin(), seg.end());

    int ans = 0;
    int left = -1, right = -1;

    for(int i = 0; i < seg.size(); i++){
        if(right < seg[i].first){
            ans += (right - left);
            left = seg[i].first;
        }

        right = max(right, seg[i].second);
    }

    ans += (right - left);

    cout << ans << '\n';

    return 0;
}

Compilation message

lasers.cpp: In function 'int main()':
lasers.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int i = 0; i < seg.size(); i++){
      |                    ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 228 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 228 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
12 Correct 100 ms 10016 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 104 ms 7792 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2872 KB Output is correct
2 Correct 6 ms 1108 KB Output is correct
3 Correct 6 ms 904 KB Output is correct
4 Correct 28 ms 3772 KB Output is correct
5 Correct 12 ms 2316 KB Output is correct
6 Correct 23 ms 2408 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 28 ms 2868 KB Output is correct
9 Correct 20 ms 3020 KB Output is correct
10 Correct 40 ms 3972 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 320 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 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 0 ms 324 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2872 KB Output is correct
2 Correct 6 ms 1108 KB Output is correct
3 Correct 6 ms 904 KB Output is correct
4 Correct 28 ms 3772 KB Output is correct
5 Correct 12 ms 2316 KB Output is correct
6 Correct 23 ms 2408 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 28 ms 2868 KB Output is correct
9 Correct 20 ms 3020 KB Output is correct
10 Correct 40 ms 3972 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 0 ms 212 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 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 103 ms 6608 KB Output is correct
22 Correct 16 ms 1608 KB Output is correct
23 Correct 9 ms 1224 KB Output is correct
24 Correct 35 ms 3704 KB Output is correct
25 Correct 95 ms 6596 KB Output is correct
26 Correct 28 ms 3628 KB Output is correct
27 Correct 12 ms 1392 KB Output is correct
28 Correct 98 ms 6652 KB Output is correct
29 Correct 112 ms 6760 KB Output is correct
30 Correct 36 ms 2452 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 228 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
12 Correct 100 ms 10016 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 104 ms 7792 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 27 ms 2872 KB Output is correct
22 Correct 6 ms 1108 KB Output is correct
23 Correct 6 ms 904 KB Output is correct
24 Correct 28 ms 3772 KB Output is correct
25 Correct 12 ms 2316 KB Output is correct
26 Correct 23 ms 2408 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 28 ms 2868 KB Output is correct
29 Correct 20 ms 3020 KB Output is correct
30 Correct 40 ms 3972 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 0 ms 212 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 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 320 KB Output is correct
40 Correct 0 ms 324 KB Output is correct
41 Correct 103 ms 6608 KB Output is correct
42 Correct 16 ms 1608 KB Output is correct
43 Correct 9 ms 1224 KB Output is correct
44 Correct 35 ms 3704 KB Output is correct
45 Correct 95 ms 6596 KB Output is correct
46 Correct 28 ms 3628 KB Output is correct
47 Correct 12 ms 1392 KB Output is correct
48 Correct 98 ms 6652 KB Output is correct
49 Correct 112 ms 6760 KB Output is correct
50 Correct 36 ms 2452 KB Output is correct
51 Correct 13 ms 1628 KB Output is correct
52 Correct 103 ms 7980 KB Output is correct
53 Correct 112 ms 7820 KB Output is correct
54 Correct 23 ms 2920 KB Output is correct
55 Correct 64 ms 5204 KB Output is correct
56 Correct 34 ms 3892 KB Output is correct
57 Correct 39 ms 4476 KB Output is correct
58 Correct 106 ms 8012 KB Output is correct
59 Correct 29 ms 2632 KB Output is correct
60 Correct 40 ms 3640 KB Output is correct