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Submission #222717

# Submission time Handle Problem Language Result Execution time Memory
222717 2020-04-13T21:43:49 Z shart23 Strange Device (APIO19_strange_device) C++14
10 / 100
 5000 ms 524292 KB 
#include <bits/stdc++.h>

#define int long long
#define endl "\n"

using namespace std;

int clever(int n, int a, int b, vector<pair<int, int>> &seg) {
    long double k1 = a * (long double) b;
    int k = (int) 1e18 + 1;
    if (k1 <= 1e18) {
        k = a;
    }
    vector<pair<int, int>> segs;
    for (int i = 0; i < n; i++) {
        int l = seg[i].first, r = seg[i].second;
        if (r - l + 1 >= k) {
            segs.emplace_back(0, k - 1);
            continue;
        }
        int l1 = l % k, r1 = r % k;
        if (r1 < l1) {
            segs.emplace_back(0, r1);
            segs.emplace_back(l1, k - 1);
        } else {
            segs.emplace_back(l1, r1);
        }
    }
    sort(segs.begin(), segs.end());
    int mxr = -1;
    int res = 0;
    for (auto x : segs) {
        res += max(x.second - max(mxr, x.first - 1), 0LL);
        mxr = max(x.second, mxr);
    }
    return res;
}

int stupid(int n, int a, int b, vector<pair<int, int>> &seg) {
    set<pair<int, int>> ans;
    for (int i = 0; i < n; i++) {
        int l = seg[i].first, r = seg[i].second;
        for (int j = l; j <= r; j++) {
            ans.insert({(j + j / b) % a, j % b});
        }
    }
    return ans.size();
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, a, b;
    cin >> n >> a >> b;
    vector<pair<int, int>> seg(n);
    for (auto &x : seg) {
        cin >> x.first >> x.second;
    }
    cout << stupid(n, a, b, seg) << endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 53 ms 12536 KB Output is correct
3 Correct 76 ms 18168 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 12 ms 1280 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 50 ms 7032 KB Output is correct
16 Correct 44 ms 7288 KB Output is correct
17 Correct 76 ms 11896 KB Output is correct
18 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Runtime error 2602 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 142 ms 32376 KB Output is correct
3 Correct 202 ms 32120 KB Output is correct
4 Correct 124 ms 30584 KB Output is correct
5 Execution timed out 5058 ms 78456 KB Time limit exceeded

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 658 ms 78620 KB Output is correct
3 Runtime error 2369 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 658 ms 78620 KB Output is correct
3 Runtime error 2369 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 658 ms 78620 KB Output is correct
3 Runtime error 2369 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Runtime error 1495 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 53 ms 12536 KB Output is correct
3 Correct 76 ms 18168 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 12 ms 1280 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 50 ms 7032 KB Output is correct
16 Correct 44 ms 7288 KB Output is correct
17 Correct 76 ms 11896 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Runtime error 2602 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
21 Halted 0 ms 0 KB -