Submission #713506

#	Time	Username	Problem	Language	Result	Execution time	Memory
713506		bin9638	Strange Device (APIO19_strange_device)	C++17	5 / 100	306 ms	4000 KiB

strange_device

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define N 1000010
#define ii pair<int,int>
#define fs first
#define sc second
#define ld double
#define int ll

int n,A,B,ans=0;
vector<ii>s;

int32_t main()
{
    #ifdef SKY
    freopen("A.inp","r",stdin);
    freopen("A.out","w",stdout);
    #endif // SKY
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n>>A>>B;
    for(int i=1;i<=n;i++)
    {
        int l,r;
        cin>>l>>r;
        if((r-l+1)/A>=B)
            ans+=min(A*B,r-l+1);
                else ans+=(r-l+1);
    }
    cout<<ans;
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 5 / 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