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답안 #784538

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
784538 2023-07-16T08:13:21 Z makanhulia 이상한 기계 (APIO19_strange_device) C++17
100 / 100
 755 ms 74916 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define pb push_back
#define fi first
#define se second
//*AC BERSAMA ALLAH  FORTIS FORTUNA ADIUVAT
//# nyampah
__int128_t sz;
vector<pair<ll,bool> > lr;
vector<pair<ll,ll> > lr1;
ll n, a, b;

ll gcd(ll x, ll y){
    if(y==0) return x;
    else return gcd(y,x%y);
}

bool comp(pair<ll,bool> a, pair<ll,bool> b){
    if(a.fi==b.fi) return a.se<b.se;
    else return a.fi<b.fi;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> a >> b;
    // sz = abs(szz(a,b));
    sz = (__int128_t) a / gcd(a,b+1) * b ;
    // cout<<sz<<'\n';

    for(int i=0;i<n;i++){
        ll l,r; cin>>l>>r;
        if(r-l+1>=sz){
            cout << (ll) sz << '\n';
            return 0;
        }
        l%=sz; r%=sz;
        if(l>r){
            lr.pb(make_pair(0,0)); lr.pb(make_pair(r,1));
            lr.pb(make_pair(l,0)); lr.pb(make_pair(sz-1,1));
        }
        else {
            lr.pb(make_pair(l,0)); lr.pb(make_pair(r,1));
        }
    }
    sort(lr.begin(),lr.end(),comp);

    ll cnt=0, l, r;
    for(auto i : lr){
        if(i.se == 0){
            if(cnt==0) l=i.fi;
            cnt++;
        }
        else cnt--;
        
        if(cnt==0){
            r = i.fi;
            lr1.pb(make_pair(l,r));
        }
    }

    ll ans=0;
    for(auto i : lr1){
        ans+=(i.second-i.first+1);
    }
    cout<<ans<<'\n';


    return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:60:33: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
   60 |             lr1.pb(make_pair(l,r));
      |                                 ^

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 984 KB Output is correct
3 Correct 5 ms 984 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 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 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 980 KB Output is correct
17 Correct 62 ms 7032 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 1 ms 320 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 358 ms 33256 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 537 ms 63632 KB Output is correct
3 Correct 598 ms 63712 KB Output is correct
4 Correct 533 ms 63628 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 537 ms 63632 KB Output is correct
3 Correct 598 ms 63712 KB Output is correct
4 Correct 533 ms 63628 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 570 ms 63632 KB Output is correct
7 Correct 524 ms 63696 KB Output is correct
8 Correct 568 ms 63640 KB Output is correct
9 Correct 664 ms 63588 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 537 ms 63632 KB Output is correct
3 Correct 598 ms 63712 KB Output is correct
4 Correct 533 ms 63628 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 47 ms 7044 KB Output is correct
7 Correct 53 ms 7036 KB Output is correct
8 Correct 47 ms 7056 KB Output is correct
9 Correct 50 ms 7048 KB Output is correct
10 Correct 45 ms 6968 KB Output is correct
11 Correct 49 ms 6980 KB Output is correct
12 Correct 46 ms 7016 KB Output is correct
13 Correct 62 ms 7048 KB Output is correct
14 Correct 46 ms 6940 KB Output is correct
15 Correct 59 ms 7040 KB Output is correct
16 Correct 68 ms 7036 KB Output is correct
17 Correct 51 ms 7040 KB Output is correct
18 Correct 558 ms 63628 KB Output is correct
19 Correct 512 ms 63644 KB Output is correct
20 Correct 663 ms 63624 KB Output is correct
21 Correct 66 ms 7040 KB Output is correct
22 Correct 42 ms 7036 KB Output is correct
23 Correct 122 ms 16868 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 56 ms 7036 KB Output is correct
3 Correct 56 ms 7036 KB Output is correct
4 Correct 690 ms 63628 KB Output is correct
5 Correct 70 ms 7040 KB Output is correct
6 Correct 61 ms 7032 KB Output is correct
7 Correct 57 ms 7036 KB Output is correct
8 Correct 64 ms 7224 KB Output is correct
9 Correct 54 ms 6968 KB Output is correct
10 Correct 59 ms 7056 KB Output is correct
11 Correct 56 ms 7036 KB Output is correct
12 Correct 49 ms 7020 KB Output is correct
13 Correct 73 ms 7040 KB Output is correct
14 Correct 669 ms 63636 KB Output is correct
15 Correct 59 ms 6840 KB Output is correct
16 Correct 497 ms 63636 KB Output is correct
17 Correct 642 ms 63632 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 984 KB Output is correct
3 Correct 5 ms 984 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 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 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 980 KB Output is correct
17 Correct 62 ms 7032 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 1 ms 320 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 358 ms 33256 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 537 ms 63632 KB Output is correct
31 Correct 598 ms 63712 KB Output is correct
32 Correct 533 ms 63628 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 570 ms 63632 KB Output is correct
35 Correct 524 ms 63696 KB Output is correct
36 Correct 568 ms 63640 KB Output is correct
37 Correct 664 ms 63588 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 47 ms 7044 KB Output is correct
40 Correct 53 ms 7036 KB Output is correct
41 Correct 47 ms 7056 KB Output is correct
42 Correct 50 ms 7048 KB Output is correct
43 Correct 45 ms 6968 KB Output is correct
44 Correct 49 ms 6980 KB Output is correct
45 Correct 46 ms 7016 KB Output is correct
46 Correct 62 ms 7048 KB Output is correct
47 Correct 46 ms 6940 KB Output is correct
48 Correct 59 ms 7040 KB Output is correct
49 Correct 68 ms 7036 KB Output is correct
50 Correct 51 ms 7040 KB Output is correct
51 Correct 558 ms 63628 KB Output is correct
52 Correct 512 ms 63644 KB Output is correct
53 Correct 663 ms 63624 KB Output is correct
54 Correct 66 ms 7040 KB Output is correct
55 Correct 42 ms 7036 KB Output is correct
56 Correct 122 ms 16868 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 56 ms 7036 KB Output is correct
59 Correct 56 ms 7036 KB Output is correct
60 Correct 690 ms 63628 KB Output is correct
61 Correct 70 ms 7040 KB Output is correct
62 Correct 61 ms 7032 KB Output is correct
63 Correct 57 ms 7036 KB Output is correct
64 Correct 64 ms 7224 KB Output is correct
65 Correct 54 ms 6968 KB Output is correct
66 Correct 59 ms 7056 KB Output is correct
67 Correct 56 ms 7036 KB Output is correct
68 Correct 49 ms 7020 KB Output is correct
69 Correct 73 ms 7040 KB Output is correct
70 Correct 669 ms 63636 KB Output is correct
71 Correct 59 ms 6840 KB Output is correct
72 Correct 497 ms 63636 KB Output is correct
73 Correct 642 ms 63632 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 0 ms 212 KB Output is correct
79 Correct 5 ms 1420 KB Output is correct
80 Correct 755 ms 74776 KB Output is correct
81 Correct 730 ms 74756 KB Output is correct
82 Correct 705 ms 74792 KB Output is correct
83 Correct 668 ms 74916 KB Output is correct
84 Correct 691 ms 74796 KB Output is correct
85 Correct 679 ms 74812 KB Output is correct
86 Correct 126 ms 25576 KB Output is correct
87 Correct 0 ms 324 KB Output is correct