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Submission #450374

# Submission time Handle Problem Language Result Execution time Memory
450374 2021-08-02T16:18:09 Z JovanB Strange Device (APIO19_strange_device) C++17
100 / 100
 820 ms 68844 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
 
vector <pair <ll, ll>> vec;
 
int main(){
    ios_base::sync_with_stdio(false);
    cout.precision(10);
    cout<<fixed;
 
    int n;
    cin >> n;
    ll a, b;
    cin >> a >> b;
    a /= __gcd(a, b+1);
    if(a <= 2000000000000000000LL/b) a *= b;
    while(n--){
        ll l, r;
        cin >> l >> r;
        if(r-l+1 >= a){
            cout << a << "\n";
            return 0;
        }
        l %= a;
        r %= a;
        if(l > r){
            vec.push_back({0, 1});
            vec.push_back({r+1, -1});
            vec.push_back({l, 1});
            vec.push_back({a, -1});
        }
        else{
            vec.push_back({l, 1});
            vec.push_back({r+1, -1});
        }
    }
    sort(vec.begin(), vec.end());
    n = vec.size();
    ll res = 0;
    ll tren = 0;
    for(int i=0; i<n; i++){
        ll val = vec[i].first;
        if(i > 0) val -= vec[i-1].first;
        if(tren) res += val;
        tren += vec[i].second;
    }
    cout << res;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 7 ms 1276 KB Output is correct
3 Correct 8 ms 1200 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 7 ms 1320 KB Output is correct
17 Correct 78 ms 7164 KB Output is correct
18 Correct 1 ms 316 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 487 ms 39920 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 652 ms 43308 KB Output is correct
3 Correct 700 ms 43300 KB Output is correct
4 Correct 687 ms 43384 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 652 ms 43308 KB Output is correct
3 Correct 700 ms 43300 KB Output is correct
4 Correct 687 ms 43384 KB Output is correct
5 Correct 0 ms 316 KB Output is correct
6 Correct 640 ms 43356 KB Output is correct
7 Correct 636 ms 43412 KB Output is correct
8 Correct 613 ms 43236 KB Output is correct
9 Correct 778 ms 43244 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 652 ms 43308 KB Output is correct
3 Correct 700 ms 43300 KB Output is correct
4 Correct 687 ms 43384 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 60 ms 7172 KB Output is correct
7 Correct 67 ms 7260 KB Output is correct
8 Correct 60 ms 7220 KB Output is correct
9 Correct 64 ms 7196 KB Output is correct
10 Correct 59 ms 7236 KB Output is correct
11 Correct 61 ms 7260 KB Output is correct
12 Correct 57 ms 7168 KB Output is correct
13 Correct 66 ms 7268 KB Output is correct
14 Correct 60 ms 7224 KB Output is correct
15 Correct 71 ms 7248 KB Output is correct
16 Correct 68 ms 7172 KB Output is correct
17 Correct 60 ms 7236 KB Output is correct
18 Correct 647 ms 51516 KB Output is correct
19 Correct 601 ms 51668 KB Output is correct
20 Correct 752 ms 51768 KB Output is correct
21 Correct 71 ms 7220 KB Output is correct
22 Correct 58 ms 7216 KB Output is correct
23 Correct 177 ms 26692 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 67 ms 7180 KB Output is correct
3 Correct 71 ms 7244 KB Output is correct
4 Correct 807 ms 44832 KB Output is correct
5 Correct 68 ms 7228 KB Output is correct
6 Correct 83 ms 7304 KB Output is correct
7 Correct 66 ms 7284 KB Output is correct
8 Correct 67 ms 7216 KB Output is correct
9 Correct 69 ms 7208 KB Output is correct
10 Correct 72 ms 7208 KB Output is correct
11 Correct 67 ms 7244 KB Output is correct
12 Correct 60 ms 7220 KB Output is correct
13 Correct 69 ms 7232 KB Output is correct
14 Correct 730 ms 43252 KB Output is correct
15 Correct 72 ms 7228 KB Output is correct
16 Correct 606 ms 68788 KB Output is correct
17 Correct 626 ms 68844 KB Output is correct
18 Correct 1 ms 204 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 7 ms 1276 KB Output is correct
3 Correct 8 ms 1200 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 7 ms 1320 KB Output is correct
17 Correct 78 ms 7164 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
19 Correct 0 ms 312 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 487 ms 39920 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 652 ms 43308 KB Output is correct
31 Correct 700 ms 43300 KB Output is correct
32 Correct 687 ms 43384 KB Output is correct
33 Correct 0 ms 316 KB Output is correct
34 Correct 640 ms 43356 KB Output is correct
35 Correct 636 ms 43412 KB Output is correct
36 Correct 613 ms 43236 KB Output is correct
37 Correct 778 ms 43244 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 60 ms 7172 KB Output is correct
40 Correct 67 ms 7260 KB Output is correct
41 Correct 60 ms 7220 KB Output is correct
42 Correct 64 ms 7196 KB Output is correct
43 Correct 59 ms 7236 KB Output is correct
44 Correct 61 ms 7260 KB Output is correct
45 Correct 57 ms 7168 KB Output is correct
46 Correct 66 ms 7268 KB Output is correct
47 Correct 60 ms 7224 KB Output is correct
48 Correct 71 ms 7248 KB Output is correct
49 Correct 68 ms 7172 KB Output is correct
50 Correct 60 ms 7236 KB Output is correct
51 Correct 647 ms 51516 KB Output is correct
52 Correct 601 ms 51668 KB Output is correct
53 Correct 752 ms 51768 KB Output is correct
54 Correct 71 ms 7220 KB Output is correct
55 Correct 58 ms 7216 KB Output is correct
56 Correct 177 ms 26692 KB Output is correct
57 Correct 0 ms 204 KB Output is correct
58 Correct 67 ms 7180 KB Output is correct
59 Correct 71 ms 7244 KB Output is correct
60 Correct 807 ms 44832 KB Output is correct
61 Correct 68 ms 7228 KB Output is correct
62 Correct 83 ms 7304 KB Output is correct
63 Correct 66 ms 7284 KB Output is correct
64 Correct 67 ms 7216 KB Output is correct
65 Correct 69 ms 7208 KB Output is correct
66 Correct 72 ms 7208 KB Output is correct
67 Correct 67 ms 7244 KB Output is correct
68 Correct 60 ms 7220 KB Output is correct
69 Correct 69 ms 7232 KB Output is correct
70 Correct 730 ms 43252 KB Output is correct
71 Correct 72 ms 7228 KB Output is correct
72 Correct 606 ms 68788 KB Output is correct
73 Correct 626 ms 68844 KB Output is correct
74 Correct 1 ms 204 KB Output is correct
75 Correct 0 ms 204 KB Output is correct
76 Correct 1 ms 204 KB Output is correct
77 Correct 0 ms 204 KB Output is correct
78 Correct 1 ms 204 KB Output is correct
79 Correct 6 ms 1228 KB Output is correct
80 Correct 820 ms 52292 KB Output is correct
81 Correct 785 ms 68768 KB Output is correct
82 Correct 765 ms 68844 KB Output is correct
83 Correct 733 ms 68832 KB Output is correct
84 Correct 746 ms 68840 KB Output is correct
85 Correct 711 ms 68760 KB Output is correct
86 Correct 207 ms 26612 KB Output is correct
87 Correct 1 ms 204 KB Output is correct