Submission #975052

# Submission time Handle Problem Language Result Execution time Memory
975052 2024-05-04T10:42:12 Z hirayuu_oj Strange Device (APIO19_strange_device) C++17
100 / 100
378 ms 54036 KB
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)
#define all(x) x.begin(),x.end()
using ll=long long;
const ll INF=1LL<<61;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll n,A,B;
    cin>>n>>A>>B;
    ll g=__gcd(A,B+1);
    A/=g;
    ll rp=A*B;
    if((INF/A)/B==0LL){
        rp=INF;
    }
    vector<pair<ll,ll>> segs;
    rep(i,n){
        ll l,r;
        cin>>l>>r;
        r++;
        if(r-l>=rp){
            cout<<rp<<"\n";
            return 0;
        }
        l%=rp;
        r%=rp;
        if(l<r){
            segs.emplace_back(pair<ll,ll>(l,r));
        }
        if(l>r){
            segs.emplace_back(pair<ll,ll>(l,rp));
            segs.emplace_back(pair<ll,ll>(0,r));
        }
    }
    sort(all(segs));
    ll lf=0,ri=0;
    ll ans=0;
    for(auto &[nl,nr]:segs){
        if(nl<ri){
            ri=max(ri,nr);
        }
        else{
            ans+=ri-lf;
            lf=nl;
            ri=nr;
        }
    }
    ans+=ri-lf;
    cout<<ans<<"\n";
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 4 ms 1116 KB Output is correct
4 Correct 0 ms 460 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 456 KB Output is correct
16 Correct 4 ms 1112 KB Output is correct
17 Correct 36 ms 5836 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 220 ms 35552 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 351 ms 44280 KB Output is correct
3 Correct 297 ms 44696 KB Output is correct
4 Correct 314 ms 53600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 351 ms 44280 KB Output is correct
3 Correct 297 ms 44696 KB Output is correct
4 Correct 314 ms 53600 KB Output is correct
5 Correct 0 ms 680 KB Output is correct
6 Correct 306 ms 53404 KB Output is correct
7 Correct 321 ms 53216 KB Output is correct
8 Correct 320 ms 53488 KB Output is correct
9 Correct 333 ms 53100 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 351 ms 44280 KB Output is correct
3 Correct 297 ms 44696 KB Output is correct
4 Correct 314 ms 53600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 31 ms 5604 KB Output is correct
7 Correct 35 ms 5836 KB Output is correct
8 Correct 30 ms 5836 KB Output is correct
9 Correct 37 ms 5860 KB Output is correct
10 Correct 31 ms 5836 KB Output is correct
11 Correct 33 ms 5616 KB Output is correct
12 Correct 31 ms 5832 KB Output is correct
13 Correct 32 ms 5664 KB Output is correct
14 Correct 30 ms 5836 KB Output is correct
15 Correct 36 ms 5832 KB Output is correct
16 Correct 41 ms 5828 KB Output is correct
17 Correct 32 ms 5840 KB Output is correct
18 Correct 315 ms 53184 KB Output is correct
19 Correct 316 ms 53768 KB Output is correct
20 Correct 327 ms 53232 KB Output is correct
21 Correct 33 ms 5844 KB Output is correct
22 Correct 28 ms 5832 KB Output is correct
23 Correct 88 ms 19260 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 37 ms 5596 KB Output is correct
3 Correct 38 ms 5588 KB Output is correct
4 Correct 371 ms 48852 KB Output is correct
5 Correct 38 ms 5660 KB Output is correct
6 Correct 45 ms 5564 KB Output is correct
7 Correct 35 ms 5580 KB Output is correct
8 Correct 47 ms 5572 KB Output is correct
9 Correct 51 ms 5832 KB Output is correct
10 Correct 48 ms 5836 KB Output is correct
11 Correct 40 ms 5816 KB Output is correct
12 Correct 28 ms 5844 KB Output is correct
13 Correct 45 ms 5732 KB Output is correct
14 Correct 332 ms 51308 KB Output is correct
15 Correct 41 ms 5796 KB Output is correct
16 Correct 314 ms 53348 KB Output is correct
17 Correct 307 ms 53108 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 4 ms 1116 KB Output is correct
4 Correct 0 ms 460 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 456 KB Output is correct
16 Correct 4 ms 1112 KB Output is correct
17 Correct 36 ms 5836 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 220 ms 35552 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 351 ms 44280 KB Output is correct
31 Correct 297 ms 44696 KB Output is correct
32 Correct 314 ms 53600 KB Output is correct
33 Correct 0 ms 680 KB Output is correct
34 Correct 306 ms 53404 KB Output is correct
35 Correct 321 ms 53216 KB Output is correct
36 Correct 320 ms 53488 KB Output is correct
37 Correct 333 ms 53100 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 31 ms 5604 KB Output is correct
40 Correct 35 ms 5836 KB Output is correct
41 Correct 30 ms 5836 KB Output is correct
42 Correct 37 ms 5860 KB Output is correct
43 Correct 31 ms 5836 KB Output is correct
44 Correct 33 ms 5616 KB Output is correct
45 Correct 31 ms 5832 KB Output is correct
46 Correct 32 ms 5664 KB Output is correct
47 Correct 30 ms 5836 KB Output is correct
48 Correct 36 ms 5832 KB Output is correct
49 Correct 41 ms 5828 KB Output is correct
50 Correct 32 ms 5840 KB Output is correct
51 Correct 315 ms 53184 KB Output is correct
52 Correct 316 ms 53768 KB Output is correct
53 Correct 327 ms 53232 KB Output is correct
54 Correct 33 ms 5844 KB Output is correct
55 Correct 28 ms 5832 KB Output is correct
56 Correct 88 ms 19260 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 37 ms 5596 KB Output is correct
59 Correct 38 ms 5588 KB Output is correct
60 Correct 371 ms 48852 KB Output is correct
61 Correct 38 ms 5660 KB Output is correct
62 Correct 45 ms 5564 KB Output is correct
63 Correct 35 ms 5580 KB Output is correct
64 Correct 47 ms 5572 KB Output is correct
65 Correct 51 ms 5832 KB Output is correct
66 Correct 48 ms 5836 KB Output is correct
67 Correct 40 ms 5816 KB Output is correct
68 Correct 28 ms 5844 KB Output is correct
69 Correct 45 ms 5732 KB Output is correct
70 Correct 332 ms 51308 KB Output is correct
71 Correct 41 ms 5796 KB Output is correct
72 Correct 314 ms 53348 KB Output is correct
73 Correct 307 ms 53108 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 1 ms 344 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 3 ms 1204 KB Output is correct
80 Correct 377 ms 54036 KB Output is correct
81 Correct 378 ms 53932 KB Output is correct
82 Correct 367 ms 53248 KB Output is correct
83 Correct 350 ms 52988 KB Output is correct
84 Correct 352 ms 53400 KB Output is correct
85 Correct 328 ms 53408 KB Output is correct
86 Correct 95 ms 19864 KB Output is correct
87 Correct 0 ms 344 KB Output is correct