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답안 #563618

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
563618 2022-05-17T17:36:47 Z Ooops_sorry 이상한 기계 (APIO19_strange_device) C++14
100 / 100
 665 ms 117536 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(ll a, ll 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;
    ll k = lcm(a, b + 1) / (__int128)(b + 1);
    if (log2(k) + log2(b) > log2(1e18) + 1) {
        sum = 1;
    } else {
        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 5 ms 1364 KB Output is correct
3 Correct 6 ms 1364 KB Output is correct
4 Correct 1 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 1 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 212 KB Output is correct
16 Correct 6 ms 1364 KB Output is correct
17 Correct 59 ms 9240 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 1 ms 340 KB Output is correct
5 Correct 373 ms 80328 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 521 ms 80196 KB Output is correct
3 Correct 551 ms 80292 KB Output is correct
4 Correct 509 ms 80344 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 521 ms 80196 KB Output is correct
3 Correct 551 ms 80292 KB Output is correct
4 Correct 509 ms 80344 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 540 ms 80280 KB Output is correct
7 Correct 556 ms 117408 KB Output is correct
8 Correct 562 ms 117316 KB Output is correct
9 Correct 634 ms 117300 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 521 ms 80196 KB Output is correct
3 Correct 551 ms 80292 KB Output is correct
4 Correct 509 ms 80344 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 53 ms 9188 KB Output is correct
7 Correct 51 ms 9248 KB Output is correct
8 Correct 50 ms 9176 KB Output is correct
9 Correct 55 ms 9188 KB Output is correct
10 Correct 51 ms 9252 KB Output is correct
11 Correct 52 ms 9188 KB Output is correct
12 Correct 47 ms 9208 KB Output is correct
13 Correct 55 ms 9192 KB Output is correct
14 Correct 49 ms 9160 KB Output is correct
15 Correct 60 ms 9188 KB Output is correct
16 Correct 62 ms 9192 KB Output is correct
17 Correct 52 ms 9284 KB Output is correct
18 Correct 555 ms 117420 KB Output is correct
19 Correct 536 ms 117420 KB Output is correct
20 Correct 639 ms 117356 KB Output is correct
21 Correct 67 ms 12996 KB Output is correct
22 Correct 49 ms 12884 KB Output is correct
23 Correct 152 ms 45428 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 59 ms 9188 KB Output is correct
3 Correct 56 ms 9160 KB Output is correct
4 Correct 646 ms 80196 KB Output is correct
5 Correct 56 ms 9160 KB Output is correct
6 Correct 56 ms 9192 KB Output is correct
7 Correct 56 ms 9196 KB Output is correct
8 Correct 58 ms 9160 KB Output is correct
9 Correct 56 ms 9188 KB Output is correct
10 Correct 60 ms 9232 KB Output is correct
11 Correct 56 ms 9212 KB Output is correct
12 Correct 50 ms 9188 KB Output is correct
13 Correct 59 ms 9184 KB Output is correct
14 Correct 591 ms 80188 KB Output is correct
15 Correct 60 ms 9296 KB Output is correct
16 Correct 497 ms 80196 KB Output is correct
17 Correct 522 ms 80288 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #8
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 5 ms 1364 KB Output is correct
3 Correct 6 ms 1364 KB Output is correct
4 Correct 1 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 1 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 212 KB Output is correct
16 Correct 6 ms 1364 KB Output is correct
17 Correct 59 ms 9240 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 1 ms 340 KB Output is correct
28 Correct 373 ms 80328 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 521 ms 80196 KB Output is correct
31 Correct 551 ms 80292 KB Output is correct
32 Correct 509 ms 80344 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 540 ms 80280 KB Output is correct
35 Correct 556 ms 117408 KB Output is correct
36 Correct 562 ms 117316 KB Output is correct
37 Correct 634 ms 117300 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 53 ms 9188 KB Output is correct
40 Correct 51 ms 9248 KB Output is correct
41 Correct 50 ms 9176 KB Output is correct
42 Correct 55 ms 9188 KB Output is correct
43 Correct 51 ms 9252 KB Output is correct
44 Correct 52 ms 9188 KB Output is correct
45 Correct 47 ms 9208 KB Output is correct
46 Correct 55 ms 9192 KB Output is correct
47 Correct 49 ms 9160 KB Output is correct
48 Correct 60 ms 9188 KB Output is correct
49 Correct 62 ms 9192 KB Output is correct
50 Correct 52 ms 9284 KB Output is correct
51 Correct 555 ms 117420 KB Output is correct
52 Correct 536 ms 117420 KB Output is correct
53 Correct 639 ms 117356 KB Output is correct
54 Correct 67 ms 12996 KB Output is correct
55 Correct 49 ms 12884 KB Output is correct
56 Correct 152 ms 45428 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 59 ms 9188 KB Output is correct
59 Correct 56 ms 9160 KB Output is correct
60 Correct 646 ms 80196 KB Output is correct
61 Correct 56 ms 9160 KB Output is correct
62 Correct 56 ms 9192 KB Output is correct
63 Correct 56 ms 9196 KB Output is correct
64 Correct 58 ms 9160 KB Output is correct
65 Correct 56 ms 9188 KB Output is correct
66 Correct 60 ms 9232 KB Output is correct
67 Correct 56 ms 9212 KB Output is correct
68 Correct 50 ms 9188 KB Output is correct
69 Correct 59 ms 9184 KB Output is correct
70 Correct 591 ms 80188 KB Output is correct
71 Correct 60 ms 9296 KB Output is correct
72 Correct 497 ms 80196 KB Output is correct
73 Correct 522 ms 80288 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 6 ms 1748 KB Output is correct
80 Correct 650 ms 117424 KB Output is correct
81 Correct 665 ms 117316 KB Output is correct
82 Correct 614 ms 117488 KB Output is correct
83 Correct 622 ms 117536 KB Output is correct
84 Correct 628 ms 117308 KB Output is correct
85 Correct 617 ms 117420 KB Output is correct
86 Correct 156 ms 45376 KB Output is correct
87 Correct 1 ms 328 KB Output is correct