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Submission #720128

# Submission time Handle Problem Language Result Execution time Memory
720128 2023-04-07T13:14:36 Z Cyanmond Lasers (NOI19_lasers) C++17
100 / 100
 542 ms 36648 KB 
#include <bits/stdc++.h>

using i64 = long long;

void solve() {
    int L, R;
    std::cin >> L >> R;
    std::map<int, int> stamps;
    while (R--) {
        int X;
        std::cin >> X;
        std::vector<int> W(X);
        for (auto &e : W) std::cin >> e;
        std::vector<int> sumW(X + 1);
        for (int i = 0; i < X; ++i) sumW[i + 1] = sumW[i] + W[i];
        auto calcSum = [&](int l, int r) {
            return sumW[r] - sumW[l];
        };
        std::map<int, int> rls;
        for (int i = 0; i <= X; ++i) {
            const auto l = calcSum(0, i), r = L - calcSum(i, X);
            ++rls[l];
            --rls[r];
        }
        int val = 0, lastPos = 0;
        for (const auto &[p, v] : rls) {
            if (val == 0) {
                ++stamps[lastPos];
                --stamps[p];
            }
            val += v;
            lastPos = p;
        }
    }
    int val = 0, lastPos = 0, answer = 0;
    for (const auto &[p, v] : stamps) {
        if (val != 0) answer += p - lastPos;
        val += v;
        lastPos = p;
    }
    std::cout << answer << std::endl;
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    solve();
}

Subtask #1
10.0 / 10.0

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

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 144 ms 6060 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 453 ms 25764 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 324 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 172 ms 28940 KB Output is correct
2 Correct 33 ms 8720 KB Output is correct
3 Correct 33 ms 5888 KB Output is correct
4 Correct 213 ms 33484 KB Output is correct
5 Correct 71 ms 19156 KB Output is correct
6 Correct 147 ms 29644 KB Output is correct
7 Correct 3 ms 972 KB Output is correct
8 Correct 183 ms 29448 KB Output is correct
9 Correct 118 ms 18744 KB Output is correct
10 Correct 288 ms 36648 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 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 172 ms 28940 KB Output is correct
2 Correct 33 ms 8720 KB Output is correct
3 Correct 33 ms 5888 KB Output is correct
4 Correct 213 ms 33484 KB Output is correct
5 Correct 71 ms 19156 KB Output is correct
6 Correct 147 ms 29644 KB Output is correct
7 Correct 3 ms 972 KB Output is correct
8 Correct 183 ms 29448 KB Output is correct
9 Correct 118 ms 18744 KB Output is correct
10 Correct 288 ms 36648 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 489 ms 22388 KB Output is correct
22 Correct 82 ms 6476 KB Output is correct
23 Correct 46 ms 6572 KB Output is correct
24 Correct 214 ms 21760 KB Output is correct
25 Correct 491 ms 22288 KB Output is correct
26 Correct 166 ms 12564 KB Output is correct
27 Correct 72 ms 5448 KB Output is correct
28 Correct 475 ms 22184 KB Output is correct
29 Correct 472 ms 22396 KB Output is correct
30 Correct 150 ms 17488 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 144 ms 6060 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 453 ms 25764 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 324 KB Output is correct
21 Correct 172 ms 28940 KB Output is correct
22 Correct 33 ms 8720 KB Output is correct
23 Correct 33 ms 5888 KB Output is correct
24 Correct 213 ms 33484 KB Output is correct
25 Correct 71 ms 19156 KB Output is correct
26 Correct 147 ms 29644 KB Output is correct
27 Correct 3 ms 972 KB Output is correct
28 Correct 183 ms 29448 KB Output is correct
29 Correct 118 ms 18744 KB Output is correct
30 Correct 288 ms 36648 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 328 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 316 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 489 ms 22388 KB Output is correct
42 Correct 82 ms 6476 KB Output is correct
43 Correct 46 ms 6572 KB Output is correct
44 Correct 214 ms 21760 KB Output is correct
45 Correct 491 ms 22288 KB Output is correct
46 Correct 166 ms 12564 KB Output is correct
47 Correct 72 ms 5448 KB Output is correct
48 Correct 475 ms 22184 KB Output is correct
49 Correct 472 ms 22396 KB Output is correct
50 Correct 150 ms 17488 KB Output is correct
51 Correct 61 ms 9704 KB Output is correct
52 Correct 533 ms 28364 KB Output is correct
53 Correct 510 ms 28028 KB Output is correct
54 Correct 110 ms 9260 KB Output is correct
55 Correct 336 ms 21964 KB Output is correct
56 Correct 192 ms 20328 KB Output is correct
57 Correct 226 ms 15932 KB Output is correct
58 Correct 542 ms 29156 KB Output is correct
59 Correct 159 ms 11952 KB Output is correct
60 Correct 217 ms 14700 KB Output is correct