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Submission #217010

# Submission time Handle Problem Language Result Execution time Memory
217010 2020-03-28T17:42:25 Z sevlll Strange Device (APIO19_strange_device) C++14
65 / 100
 793 ms 49604 KB 
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <queue>
#include <bitset>

#define pb push_back
#define int long long
#define str string
using namespace std;
const int M = 1e9 + 7;

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>> pr(n);
    for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
    int g = __gcd(a, b+1);
    a /= g;
    int num = a * b;
    vector<pair<int, int>> ev;
    for (auto p : pr) {
        int l = p.first, r = p.second;
        l %= num;
        r %= num;
        if (r < l) {
            ev.pb({l, 1});
            ev.pb({num, -1});
            ev.pb({0, 1});
            ev.pb({r+1, -1});
        } else {
            ev.pb({l, 1});
            ev.pb({r+1, -1});
        }
    }
    sort(ev.begin(), ev.end());
    int bal = 0;
    int last = 0;
    int ans = 0;
    for (auto p : ev) {
        int x = p.first, type = p.second;
        if (bal) {
            ans += (x - last);
        }
        last = x;
        bal += type;
    }
    cout << ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 11 ms 1408 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 436 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 75 ms 6636 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 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 416 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 452 ms 49364 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 651 ms 49352 KB Output is correct
3 Correct 675 ms 49448 KB Output is correct
4 Correct 640 ms 49492 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 651 ms 49352 KB Output is correct
3 Correct 675 ms 49448 KB Output is correct
4 Correct 640 ms 49492 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 660 ms 49492 KB Output is correct
7 Correct 642 ms 49380 KB Output is correct
8 Correct 632 ms 49364 KB Output is correct
9 Correct 739 ms 49364 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 651 ms 49352 KB Output is correct
3 Correct 675 ms 49448 KB Output is correct
4 Correct 640 ms 49492 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 68 ms 6508 KB Output is correct
7 Correct 69 ms 6508 KB Output is correct
8 Correct 70 ms 6508 KB Output is correct
9 Correct 69 ms 6508 KB Output is correct
10 Correct 64 ms 6508 KB Output is correct
11 Correct 69 ms 6512 KB Output is correct
12 Correct 67 ms 6508 KB Output is correct
13 Correct 72 ms 6508 KB Output is correct
14 Correct 66 ms 6508 KB Output is correct
15 Correct 97 ms 6508 KB Output is correct
16 Correct 71 ms 6508 KB Output is correct
17 Correct 67 ms 6508 KB Output is correct
18 Correct 669 ms 49364 KB Output is correct
19 Correct 652 ms 49492 KB Output is correct
20 Correct 771 ms 49500 KB Output is correct
21 Correct 75 ms 6508 KB Output is correct
22 Correct 63 ms 6508 KB Output is correct
23 Correct 193 ms 22644 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 73 ms 6508 KB Output is correct
3 Correct 74 ms 6508 KB Output is correct
4 Correct 793 ms 49604 KB Output is correct
5 Correct 73 ms 6508 KB Output is correct
6 Correct 74 ms 6508 KB Output is correct
7 Correct 75 ms 6508 KB Output is correct
8 Correct 74 ms 6508 KB Output is correct
9 Correct 76 ms 6508 KB Output is correct
10 Correct 78 ms 6508 KB Output is correct
11 Correct 73 ms 6508 KB Output is correct
12 Correct 68 ms 6508 KB Output is correct
13 Correct 85 ms 6636 KB Output is correct
14 Correct 758 ms 49348 KB Output is correct
15 Correct 77 ms 6508 KB Output is correct
16 Correct 653 ms 49364 KB Output is correct
17 Correct 673 ms 49348 KB Output is correct
18 Correct 5 ms 384 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 11 ms 1408 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 436 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 75 ms 6636 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Incorrect 5 ms 384 KB Output isn't correct
21 Halted 0 ms 0 KB -