oj.uz

Submission #721462

# Submission time Handle Problem Language Result Execution time Memory
721462 2023-04-11T02:03:23 Z Darren0724 Strange Device (APIO19_strange_device) C++17
65 / 100
 481 ms 18452 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
const int INF=9e18;

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t;cin>>t;
    int a,b;cin>>a>>b;
    int m=0;
    int g=__gcd(a,b+1);
    __int128 tmp=a*b/g;
    if(tmp>INF){
        m=INF;
    }
    else{
        m=tmp;
    }
    vector<pair<int,int>> v;
    for(int i=0;i<t;i++){
        int l,r;cin>>l>>r;
        if(r%m<l%m){
            v.push_back({l%m,m-1});
            v.push_back({0,r%m});
        }
        else{
            v.push_back({l%m,r%m});
        }
    }
    sort(all(v));
    int ans=0;
    int l=0;
    for(pair<int,int> p:v){
        p.first=max(p.first,l);
        if(p.second<p.first){
            continue;
        }
        ans+=(p.second-p.first+1);
        l=p.second+1;
    }
    cout<<ans<<endl;


    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 728 KB Output is correct
3 Correct 5 ms 728 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 984 KB Output is correct
17 Correct 49 ms 5700 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 296 ms 16860 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 457 ms 16832 KB Output is correct
3 Correct 417 ms 16876 KB Output is correct
4 Correct 418 ms 17584 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 457 ms 16832 KB Output is correct
3 Correct 417 ms 16876 KB Output is correct
4 Correct 418 ms 17584 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 423 ms 17580 KB Output is correct
7 Correct 439 ms 17676 KB Output is correct
8 Correct 430 ms 17712 KB Output is correct
9 Correct 452 ms 17572 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 457 ms 16832 KB Output is correct
3 Correct 417 ms 16876 KB Output is correct
4 Correct 418 ms 17584 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 49 ms 5608 KB Output is correct
7 Correct 53 ms 5668 KB Output is correct
8 Correct 52 ms 5628 KB Output is correct
9 Correct 54 ms 5724 KB Output is correct
10 Correct 48 ms 5636 KB Output is correct
11 Correct 45 ms 5724 KB Output is correct
12 Correct 44 ms 5720 KB Output is correct
13 Correct 45 ms 5700 KB Output is correct
14 Correct 45 ms 5708 KB Output is correct
15 Correct 49 ms 5692 KB Output is correct
16 Correct 48 ms 5708 KB Output is correct
17 Correct 57 ms 5804 KB Output is correct
18 Correct 445 ms 17688 KB Output is correct
19 Correct 427 ms 17636 KB Output is correct
20 Correct 457 ms 17492 KB Output is correct
21 Correct 59 ms 5696 KB Output is correct
22 Correct 45 ms 5628 KB Output is correct
23 Correct 142 ms 18452 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 44 ms 2616 KB Output is correct
3 Correct 46 ms 2612 KB Output is correct
4 Correct 481 ms 16828 KB Output is correct
5 Correct 44 ms 2548 KB Output is correct
6 Correct 45 ms 2560 KB Output is correct
7 Correct 47 ms 2544 KB Output is correct
8 Correct 44 ms 2588 KB Output is correct
9 Correct 42 ms 2636 KB Output is correct
10 Correct 44 ms 2560 KB Output is correct
11 Correct 45 ms 2552 KB Output is correct
12 Correct 37 ms 2576 KB Output is correct
13 Correct 46 ms 2540 KB Output is correct
14 Correct 471 ms 16808 KB Output is correct
15 Correct 45 ms 2580 KB Output is correct
16 Correct 444 ms 18200 KB Output is correct
17 Correct 437 ms 18220 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 728 KB Output is correct
3 Correct 5 ms 728 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 984 KB Output is correct
17 Correct 49 ms 5700 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Incorrect 1 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -