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Submission #216993

# Submission time Handle Problem Language Result Execution time Memory
216993 2020-03-28T16:34:40 Z sevlll Strange Device (APIO19_strange_device) C++14
10 / 100
 5000 ms 524292 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;
    if (a * b >= 1e18+8800) {
        int ans = 0;
        for (auto p : pr) {
            ans += p.second - p.first+1;
        }
        cout << ans;
        return 0;
    }
    set<int> ses;
    for (auto p : pr) {
        int l = p.first, r = p.second;
        if (l == r) {
            ses.insert(l%(a*b));
        } else {
            l %= (a * b);
            r %= (a * b);
            if (r <= l) r += a * b;
            for (int x = l; x <= r; x++) {
                ses.insert(x % (a * b));
            }
        }
    }
    cout << ses.size();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 45 ms 9596 KB Output is correct
3 Correct 65 ms 13816 KB Output is correct
4 Correct 6 ms 768 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 4 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 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 34 ms 5344 KB Output is correct
16 Correct 25 ms 5376 KB Output is correct
17 Correct 65 ms 6608 KB Output is correct
18 Correct 4 ms 384 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Runtime error 3170 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 101 ms 24376 KB Output is correct
3 Correct 103 ms 24184 KB Output is correct
4 Correct 98 ms 23032 KB Output is correct
5 Execution timed out 5030 ms 63332 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 622 ms 63608 KB Output is correct
3 Runtime error 2567 ms 524292 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 622 ms 63608 KB Output is correct
3 Runtime error 2567 ms 524292 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 622 ms 63608 KB Output is correct
3 Runtime error 2567 ms 524292 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 4 ms 384 KB Output is correct
2 Runtime error 2231 ms 524292 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 45 ms 9596 KB Output is correct
3 Correct 65 ms 13816 KB Output is correct
4 Correct 6 ms 768 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 4 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 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 34 ms 5344 KB Output is correct
16 Correct 25 ms 5376 KB Output is correct
17 Correct 65 ms 6608 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Runtime error 3170 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
21 Halted 0 ms 0 KB -