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답안 #217020

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
217020 2020-03-28T17:56:00 Z sevlll 이상한 기계 (APIO19_strange_device) C++17
35 / 100
 955 ms 81924 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;
    __int128_t num = a * b;
    if (n == 1) {
        int l = pr[0].first, r = pr[1].second;
        if (r - l + 1 >= num) {
            cout << (int) num;
        } else {
            if (l == r) {
                cout << 1;
            } else {
                l %= num;
                r %= num;
                if (l < r) {
                    cout << r - l + 1;
                } else {
                    cout << r + (int) num - l;
                }
            }
        }
        return 0;
    }
    vector<pair<__int128_t, 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;
    __int128_t last = 0;
    int ans = 0;
    for (auto p : ev) {
        __int128_t x = p.first;
        int type = p.second;
        if (bal) {
            ans += (x - last);
        }
        last = x;
        bal += type;
    }
    cout << ans;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 11 ms 1660 KB Output is correct
3 Correct 11 ms 1660 KB Output is correct
4 Correct 5 ms 384 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 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 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 5 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 12 ms 1660 KB Output is correct
17 Correct 84 ms 10216 KB Output is correct
18 Incorrect 4 ms 384 KB Output isn't correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 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

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 517 ms 81760 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 726 ms 81924 KB Output is correct
3 Correct 769 ms 81824 KB Output is correct
4 Correct 748 ms 81804 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 726 ms 81924 KB Output is correct
3 Correct 769 ms 81824 KB Output is correct
4 Correct 748 ms 81804 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 757 ms 81792 KB Output is correct
7 Correct 721 ms 81824 KB Output is correct
8 Correct 751 ms 81824 KB Output is correct
9 Correct 890 ms 81856 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 726 ms 81924 KB Output is correct
3 Correct 769 ms 81824 KB Output is correct
4 Correct 748 ms 81804 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 74 ms 10220 KB Output is correct
7 Correct 76 ms 10344 KB Output is correct
8 Correct 81 ms 10216 KB Output is correct
9 Correct 73 ms 10220 KB Output is correct
10 Correct 67 ms 10216 KB Output is correct
11 Correct 74 ms 10216 KB Output is correct
12 Correct 68 ms 10344 KB Output is correct
13 Correct 78 ms 10216 KB Output is correct
14 Correct 72 ms 10216 KB Output is correct
15 Correct 89 ms 10216 KB Output is correct
16 Correct 82 ms 10216 KB Output is correct
17 Correct 73 ms 10472 KB Output is correct
18 Correct 745 ms 81824 KB Output is correct
19 Correct 710 ms 81824 KB Output is correct
20 Correct 921 ms 81824 KB Output is correct
21 Correct 94 ms 10216 KB Output is correct
22 Correct 68 ms 10344 KB Output is correct
23 Correct 204 ms 38620 KB Output is correct

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 77 ms 10344 KB Output is correct
3 Correct 85 ms 10344 KB Output is correct
4 Correct 955 ms 81772 KB Output is correct
5 Correct 80 ms 10344 KB Output is correct
6 Correct 81 ms 10264 KB Output is correct
7 Correct 82 ms 10268 KB Output is correct
8 Correct 88 ms 10344 KB Output is correct
9 Correct 78 ms 10344 KB Output is correct
10 Correct 84 ms 10220 KB Output is correct
11 Correct 80 ms 10216 KB Output is correct
12 Correct 71 ms 10216 KB Output is correct
13 Correct 88 ms 10344 KB Output is correct
14 Correct 918 ms 81820 KB Output is correct
15 Correct 93 ms 10344 KB Output is correct
16 Correct 705 ms 81756 KB Output is correct
17 Correct 734 ms 81760 KB Output is correct
18 Incorrect 5 ms 384 KB Output isn't correct

Subtask #8
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 11 ms 1660 KB Output is correct
3 Correct 11 ms 1660 KB Output is correct
4 Correct 5 ms 384 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 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 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 5 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 12 ms 1660 KB Output is correct
17 Correct 84 ms 10216 KB Output is correct
18 Incorrect 4 ms 384 KB Output isn't correct