Submission #721467

#	Time	Username	Problem	Language	Result	Execution time	Memory
721467		Darren0724	Strange Device (APIO19_strange_device)	C++17	0 / 100	2449 ms	2272 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
const int INF=1e18;

int32_t main(){
    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;
    }
    for(int i=0;i<t;i++){
        int l,r;cin>>l>>r;
        cout<<min(r-l+1,m)<<endl;
    }

    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30