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Submission #253558

# Submission time Handle Problem Language Result Execution time Memory
253558 2020-07-28T09:37:07 Z SorahISA Strange Device (APIO19_strange_device) C++17
5 / 100
 888 ms 82520 KB 
#include <bits/stdc++.h>
using namespace std;

#define int int64_t
#define double long double
using pii = pair<int, int>;
template<typename T>
using Prior = priority_queue<T>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;

#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back
#define fastIO() ios_base::sync_with_stdio(false), cin.tie(0)

int32_t main() {
    fastIO();
    
    int n, A, B;
    cin >> n >> A >> B;
    if (A % 2 == 0) A /= 2;
    
    map<int, int> rng;
    for (int i = 0; i < n; ++i) {
        int l, r;
        cin >> l >> r;
        if (r - l + 1 >= A) {++rng[0], --rng[A]; continue;}
        l %= A, r %= A;
        if (l <= r) ++rng[l], --rng[r + 1];
        else ++rng[l], --rng[A], ++rng[0], --rng[r + 1];
    }
    
    // cout << "-=-=-=-=-\n";
    // for (auto x : rng) cout << x.X << " " << x.Y << "\n";
    // cout << "-=-=-=-=-\n";
    
    int ans = 0, lst_num = 0, lst_sum = 0;
    for (auto x : rng) {
        x.Y += lst_sum;
        if (lst_sum > 0) ans += x.X - lst_num;
        lst_num = x.X;
        lst_sum = x.Y;
    }
    
    cout << ans << "\n";
    
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 6 ms 768 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 1 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 804 ms 64888 KB Output is correct
3 Correct 867 ms 82520 KB Output is correct
4 Correct 888 ms 82444 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 804 ms 64888 KB Output is correct
3 Correct 867 ms 82520 KB Output is correct
4 Correct 888 ms 82444 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 842 ms 82492 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 804 ms 64888 KB Output is correct
3 Correct 867 ms 82520 KB Output is correct
4 Correct 888 ms 82444 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 64 ms 6008 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 59 ms 4472 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 6 ms 768 KB Output isn't correct
3 Halted 0 ms 0 KB -