oj.uz

Submission #211473

# Submission time Handle Problem Language Result Execution time Memory
211473 2020-03-20T13:04:11 Z VEGAnn Strange Device (APIO19_strange_device) C++14
100 / 100
 3033 ms 53568 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("no-stack-protector")
#define ft first
#define sd second
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define pll pair<ll, ll>
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long ll;
//typedef long long __int128;
vector<pll> seg;
int n;
ll A, B;

int main(){

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#else
    ios_base::sync_with_stdio(0); cin.tie(0);
#endif // _LOCAL

    cin >> n >> A >> B;

//    ll fi = 1;
//
//    while ((fi + fi / B) % A != 0 || fi % B != 0)
//        fi++;
//
//    cout << fi << '\n';

    ll fi = A;

    if (A >= B) {

        while (fi <= ll(1e18) && fi % (B + 1) > 0)
            fi += A;

        if (fi <= ll(1e18))
            fi -= fi / (B + 1);

    } else {
        fi = B;

        while (fi <= ll(1e18) && ((fi + fi / B) % A != 0))
            fi += B;
    }

//    cout << fi << '\n';

    seg.clear();

    for (int i = 0; i < n; i++){
        ll l, r; cin >> l >> r;

        if (r - l + 1 >= fi){
            seg.PB(MP(0, fi - 1));
            continue;
        }

        ll vl = ((l - 1) / fi) * fi + fi;

        if (vl > r){
            vl -= fi;
            seg.PB(MP(l - vl, r - vl));
        } else {
            vl -= fi;
            seg.PB(MP(l - vl, fi - 1));
            vl += fi;
            seg.PB(MP(0ll, r - vl));
        }
    }

    sort(all(seg));

    ll lst = -1, ans = 0;

    for (pll cr : seg)
        if (cr.ft > lst){
            ans += cr.sd - cr.ft + 1ll;
            lst = cr.sd;
        } else {

            ans += max(lst, cr.sd) - lst;
            lst = max(lst, cr.sd);
        }

    cout << ans << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 10 ms 768 KB Output is correct
3 Correct 10 ms 896 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 396 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 59 ms 2672 KB Output is correct
18 Correct 4 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 416 ms 33472 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 520 ms 16888 KB Output is correct
3 Correct 517 ms 17108 KB Output is correct
4 Correct 475 ms 16852 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 520 ms 16888 KB Output is correct
3 Correct 517 ms 17108 KB Output is correct
4 Correct 475 ms 16852 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 493 ms 16980 KB Output is correct
7 Correct 518 ms 17108 KB Output is correct
8 Correct 501 ms 16852 KB Output is correct
9 Correct 547 ms 16888 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 520 ms 16888 KB Output is correct
3 Correct 517 ms 17108 KB Output is correct
4 Correct 475 ms 16852 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 51 ms 2552 KB Output is correct
7 Correct 57 ms 2552 KB Output is correct
8 Correct 56 ms 2544 KB Output is correct
9 Correct 53 ms 2528 KB Output is correct
10 Correct 52 ms 2544 KB Output is correct
11 Correct 53 ms 2544 KB Output is correct
12 Correct 51 ms 2544 KB Output is correct
13 Correct 59 ms 2544 KB Output is correct
14 Correct 54 ms 2552 KB Output is correct
15 Correct 59 ms 2672 KB Output is correct
16 Correct 58 ms 2680 KB Output is correct
17 Correct 65 ms 2672 KB Output is correct
18 Correct 494 ms 17280 KB Output is correct
19 Correct 476 ms 16980 KB Output is correct
20 Correct 557 ms 16980 KB Output is correct
21 Correct 56 ms 2672 KB Output is correct
22 Correct 51 ms 2680 KB Output is correct
23 Correct 177 ms 16980 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 56 ms 2544 KB Output is correct
3 Correct 60 ms 2672 KB Output is correct
4 Correct 589 ms 16852 KB Output is correct
5 Correct 81 ms 3056 KB Output is correct
6 Correct 86 ms 3116 KB Output is correct
7 Correct 79 ms 3056 KB Output is correct
8 Correct 59 ms 3056 KB Output is correct
9 Correct 77 ms 3056 KB Output is correct
10 Correct 56 ms 3064 KB Output is correct
11 Correct 55 ms 3060 KB Output is correct
12 Correct 52 ms 3056 KB Output is correct
13 Correct 58 ms 3056 KB Output is correct
14 Correct 532 ms 16980 KB Output is correct
15 Correct 56 ms 3056 KB Output is correct
16 Correct 540 ms 53520 KB Output is correct
17 Correct 510 ms 53568 KB Output is correct
18 Correct 5 ms 384 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 10 ms 768 KB Output is correct
3 Correct 10 ms 896 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 396 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 59 ms 2672 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 416 ms 33472 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 520 ms 16888 KB Output is correct
31 Correct 517 ms 17108 KB Output is correct
32 Correct 475 ms 16852 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 493 ms 16980 KB Output is correct
35 Correct 518 ms 17108 KB Output is correct
36 Correct 501 ms 16852 KB Output is correct
37 Correct 547 ms 16888 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 51 ms 2552 KB Output is correct
40 Correct 57 ms 2552 KB Output is correct
41 Correct 56 ms 2544 KB Output is correct
42 Correct 53 ms 2528 KB Output is correct
43 Correct 52 ms 2544 KB Output is correct
44 Correct 53 ms 2544 KB Output is correct
45 Correct 51 ms 2544 KB Output is correct
46 Correct 59 ms 2544 KB Output is correct
47 Correct 54 ms 2552 KB Output is correct
48 Correct 59 ms 2672 KB Output is correct
49 Correct 58 ms 2680 KB Output is correct
50 Correct 65 ms 2672 KB Output is correct
51 Correct 494 ms 17280 KB Output is correct
52 Correct 476 ms 16980 KB Output is correct
53 Correct 557 ms 16980 KB Output is correct
54 Correct 56 ms 2672 KB Output is correct
55 Correct 51 ms 2680 KB Output is correct
56 Correct 177 ms 16980 KB Output is correct
57 Correct 4 ms 384 KB Output is correct
58 Correct 56 ms 2544 KB Output is correct
59 Correct 60 ms 2672 KB Output is correct
60 Correct 589 ms 16852 KB Output is correct
61 Correct 81 ms 3056 KB Output is correct
62 Correct 86 ms 3116 KB Output is correct
63 Correct 79 ms 3056 KB Output is correct
64 Correct 59 ms 3056 KB Output is correct
65 Correct 77 ms 3056 KB Output is correct
66 Correct 56 ms 3064 KB Output is correct
67 Correct 55 ms 3060 KB Output is correct
68 Correct 52 ms 3056 KB Output is correct
69 Correct 58 ms 3056 KB Output is correct
70 Correct 532 ms 16980 KB Output is correct
71 Correct 56 ms 3056 KB Output is correct
72 Correct 540 ms 53520 KB Output is correct
73 Correct 510 ms 53568 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 4 ms 384 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 7 ms 384 KB Output is correct
78 Correct 4 ms 384 KB Output is correct
79 Correct 9 ms 1152 KB Output is correct
80 Correct 575 ms 53388 KB Output is correct
81 Correct 619 ms 53440 KB Output is correct
82 Correct 559 ms 53356 KB Output is correct
83 Correct 1794 ms 53556 KB Output is correct
84 Correct 3033 ms 53456 KB Output is correct
85 Correct 582 ms 53556 KB Output is correct
86 Correct 191 ms 26708 KB Output is correct
87 Correct 18 ms 384 KB Output is correct