oj.uz

답안 #563613

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
563613 2022-05-17T17:33:37 Z Ooops_sorry 이상한 기계 (APIO19_strange_device) C++14
25 / 100
 655 ms 117416 KB 
#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define ld long double
#define ll long long

mt19937 rnd(51);

ll gcd(int a, int b) {
    if (b == 0) {
        return a;
    } else {
        return gcd(b, a % b);
    }
}

__int128 lcm(ll a, ll b) {
    return (__int128)a * b / gcd(a, b);
}

ll solve(ll n, ll a, ll b, vector<ll> l, vector<ll> r) {
    ll ans = 0, need;
    bool was = 0, sum = 0;
    if (log2(a) + log2(b) > log2(1e18) + 1) {
        sum = 1;
    } else {
        ll k = lcm(a, b + 1) / (b + 1);
        need = k * b;
    }
    vector<pair<ll, ll>> seg, u;
    for (int i = 0; i < n; i++) {
        if (sum) {
            ans += r[i] - l[i] + 1;
        } else {
            if (r[i] - l[i] + 1 >= need) {
                was = 1;
            } else {
                ll l1 = l[i] % (need), r1 = r[i] % (need);
                if (l1 <= r1) {
                    seg.pb({l1, r1});
                } else {
                    seg.pb({l1, need - 1});
                    seg.pb({0, r1});
                }
            }
        }
    }
    if (was) {
        return need;
    }
    if (sum) {
        return ans;
    } else {
        for (auto to : seg) {
            u.pb({to.first, 1});
            u.pb({to.second + 1, -1});
        }
        sort(u.begin(), u.end());
        ll bal = 0, last = -1;
        for (auto to : u) {
            if (bal > 0) {
                ans += to.first - last;
            }
            bal += to.second;
            last = to.first;
        }
        return ans;
    }
}

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LCOAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n, a, b;
    cin >> n >> a >> b;
    vector<ll> l(n), r(n);
    for (int i = 0; i < n; i++) {
        cin >> l[i] >> r[i];
    }
    cout << solve(n, a, b, l, r) << endl;
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 7 ms 1364 KB Output is correct
3 Correct 9 ms 1364 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 6 ms 1444 KB Output is correct
17 Correct 58 ms 9260 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 376 ms 80204 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 534 ms 80188 KB Output is correct
3 Correct 541 ms 80188 KB Output is correct
4 Correct 542 ms 117408 KB Output is correct

Subtask #5
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 534 ms 80188 KB Output is correct
3 Correct 541 ms 80188 KB Output is correct
4 Correct 542 ms 117408 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Incorrect 534 ms 117416 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 534 ms 80188 KB Output is correct
3 Correct 541 ms 80188 KB Output is correct
4 Correct 542 ms 117408 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 60 ms 12872 KB Output is correct
7 Correct 56 ms 12888 KB Output is correct
8 Correct 53 ms 12948 KB Output is correct
9 Correct 54 ms 12872 KB Output is correct
10 Correct 54 ms 12888 KB Output is correct
11 Correct 56 ms 12868 KB Output is correct
12 Correct 53 ms 12872 KB Output is correct
13 Correct 61 ms 12880 KB Output is correct
14 Correct 53 ms 12872 KB Output is correct
15 Correct 64 ms 12872 KB Output is correct
16 Correct 60 ms 12880 KB Output is correct
17 Incorrect 36 ms 7128 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 57 ms 9184 KB Output is correct
3 Correct 64 ms 9192 KB Output is correct
4 Correct 655 ms 80308 KB Output is correct
5 Correct 58 ms 9208 KB Output is correct
6 Incorrect 63 ms 9176 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 7 ms 1364 KB Output is correct
3 Correct 9 ms 1364 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 6 ms 1444 KB Output is correct
17 Correct 58 ms 9260 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 376 ms 80204 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 534 ms 80188 KB Output is correct
31 Correct 541 ms 80188 KB Output is correct
32 Correct 542 ms 117408 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Incorrect 534 ms 117416 KB Output isn't correct
35 Halted 0 ms 0 KB -