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Submission #208168

# Submission time Handle Problem Language Result Execution time Memory
208168 2020-03-10T06:52:00 Z egekabas Strange Device (APIO19_strange_device) C++14
100 / 100
 629 ms 77792 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long   ll;
typedef unsigned long long   ull;
typedef long double ld;
typedef pair<ll, ll>    pll;
typedef pair<ull, ull>    pull;
typedef pair<int, int>  pii;
typedef pair<ld, ld>  pld;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    //freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);
    
    ll n, a, b;
    ll mod;
    cin >> n >> a >> b;
    ll na = a/__gcd(a, b+1);
    
    if(na > (ll(1e18+5))/b+1)
        mod = 1e18+5;
    else
        mod = min(b*na, ll(1e18+5));

    vector<pll> seg;
    for(ll i = 0; i < n; ++i){
        pll tmp;
        cin >> tmp.ff >> tmp.ss;
        if(tmp.ss - tmp.ff + 1 >= mod){
            cout << mod << '\n';
            return 0;
        }
        tmp.ff %= mod;
        tmp.ss %= mod;
        //cout << i << ' ' << tmp.ff << ' ' << tmp.ss << '\n';
        if(tmp.ss >= tmp.ff)
            seg.pb({tmp.ff, tmp.ss});
        else{
            seg.pb({tmp.ff, mod-1});
            seg.pb({0, tmp.ss});
        }
    }
    //for(auto u : seg)
    //    cout << u.ff << ' ' << u.ss << '\n';
    sort(seg.begin(), seg.end());
    vector<pll> v;
    for(auto u : seg){
        //cout << u.ff << ' ' << u.ss << '\n';
        if(!v.empty() && v.back().ss >= u.ff)
            v.back().ss = max(v.back().ss, u.ss);
        else
            v.pb(u);
    }
    ll ans = 0;
    for(auto u : v){
        ans += u.ss-u.ff+1;
        //cout << u.ff << ' ' << u.ss << '\n';
    }
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 11 ms 888 KB Output is correct
3 Correct 10 ms 888 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 11 ms 1012 KB Output is correct
17 Correct 63 ms 5104 KB Output is correct
18 Correct 5 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 376 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 382 ms 17108 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 545 ms 40616 KB Output is correct
3 Correct 541 ms 40636 KB Output is correct
4 Correct 528 ms 61436 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 545 ms 40616 KB Output is correct
3 Correct 541 ms 40636 KB Output is correct
4 Correct 528 ms 61436 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 550 ms 67008 KB Output is correct
7 Correct 555 ms 77688 KB Output is correct
8 Correct 545 ms 61504 KB Output is correct
9 Correct 605 ms 77792 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 545 ms 40616 KB Output is correct
3 Correct 541 ms 40636 KB Output is correct
4 Correct 528 ms 61436 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 59 ms 8680 KB Output is correct
7 Correct 62 ms 8680 KB Output is correct
8 Correct 59 ms 8680 KB Output is correct
9 Correct 59 ms 8680 KB Output is correct
10 Correct 58 ms 8680 KB Output is correct
11 Correct 60 ms 8680 KB Output is correct
12 Correct 61 ms 8680 KB Output is correct
13 Correct 63 ms 8680 KB Output is correct
14 Correct 58 ms 8688 KB Output is correct
15 Correct 61 ms 8744 KB Output is correct
16 Correct 64 ms 8680 KB Output is correct
17 Correct 59 ms 8752 KB Output is correct
18 Correct 536 ms 66020 KB Output is correct
19 Correct 540 ms 75516 KB Output is correct
20 Correct 584 ms 66276 KB Output is correct
21 Correct 63 ms 8680 KB Output is correct
22 Correct 55 ms 8680 KB Output is correct
23 Correct 175 ms 18504 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 60 ms 4972 KB Output is correct
3 Correct 60 ms 4968 KB Output is correct
4 Correct 609 ms 40596 KB Output is correct
5 Correct 73 ms 5124 KB Output is correct
6 Correct 58 ms 4968 KB Output is correct
7 Correct 60 ms 4968 KB Output is correct
8 Correct 69 ms 5252 KB Output is correct
9 Correct 60 ms 4968 KB Output is correct
10 Correct 60 ms 4972 KB Output is correct
11 Correct 63 ms 4972 KB Output is correct
12 Correct 55 ms 4968 KB Output is correct
13 Correct 60 ms 4964 KB Output is correct
14 Correct 580 ms 40636 KB Output is correct
15 Correct 58 ms 4968 KB Output is correct
16 Correct 549 ms 40640 KB Output is correct
17 Correct 525 ms 40768 KB Output is correct
18 Correct 5 ms 376 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 11 ms 888 KB Output is correct
3 Correct 10 ms 888 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 11 ms 1012 KB Output is correct
17 Correct 63 ms 5104 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 4 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 382 ms 17108 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 545 ms 40616 KB Output is correct
31 Correct 541 ms 40636 KB Output is correct
32 Correct 528 ms 61436 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 550 ms 67008 KB Output is correct
35 Correct 555 ms 77688 KB Output is correct
36 Correct 545 ms 61504 KB Output is correct
37 Correct 605 ms 77792 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 59 ms 8680 KB Output is correct
40 Correct 62 ms 8680 KB Output is correct
41 Correct 59 ms 8680 KB Output is correct
42 Correct 59 ms 8680 KB Output is correct
43 Correct 58 ms 8680 KB Output is correct
44 Correct 60 ms 8680 KB Output is correct
45 Correct 61 ms 8680 KB Output is correct
46 Correct 63 ms 8680 KB Output is correct
47 Correct 58 ms 8688 KB Output is correct
48 Correct 61 ms 8744 KB Output is correct
49 Correct 64 ms 8680 KB Output is correct
50 Correct 59 ms 8752 KB Output is correct
51 Correct 536 ms 66020 KB Output is correct
52 Correct 540 ms 75516 KB Output is correct
53 Correct 584 ms 66276 KB Output is correct
54 Correct 63 ms 8680 KB Output is correct
55 Correct 55 ms 8680 KB Output is correct
56 Correct 175 ms 18504 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 60 ms 4972 KB Output is correct
59 Correct 60 ms 4968 KB Output is correct
60 Correct 609 ms 40596 KB Output is correct
61 Correct 73 ms 5124 KB Output is correct
62 Correct 58 ms 4968 KB Output is correct
63 Correct 60 ms 4968 KB Output is correct
64 Correct 69 ms 5252 KB Output is correct
65 Correct 60 ms 4968 KB Output is correct
66 Correct 60 ms 4972 KB Output is correct
67 Correct 63 ms 4972 KB Output is correct
68 Correct 55 ms 4968 KB Output is correct
69 Correct 60 ms 4964 KB Output is correct
70 Correct 580 ms 40636 KB Output is correct
71 Correct 58 ms 4968 KB Output is correct
72 Correct 549 ms 40640 KB Output is correct
73 Correct 525 ms 40768 KB Output is correct
74 Correct 5 ms 376 KB Output is correct
75 Correct 5 ms 376 KB Output is correct
76 Correct 5 ms 376 KB Output is correct
77 Correct 5 ms 380 KB Output is correct
78 Correct 5 ms 376 KB Output is correct
79 Correct 11 ms 1272 KB Output is correct
80 Correct 629 ms 62760 KB Output is correct
81 Correct 620 ms 61336 KB Output is correct
82 Correct 571 ms 68996 KB Output is correct
83 Correct 594 ms 68832 KB Output is correct
84 Correct 599 ms 66880 KB Output is correct
85 Correct 586 ms 77756 KB Output is correct
86 Correct 178 ms 18528 KB Output is correct
87 Correct 5 ms 376 KB Output is correct