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Submission #938931

# Submission time Handle Problem Language Result Execution time Memory
938931 2024-03-05T21:58:51 Z Andreibatman Strange Device (APIO19_strange_device) C++14
0 / 100
 401 ms 53076 KB 
#include <bits/stdc++.h>
using namespace std;
long long n,a,b,ans,i,t,k,pozst,lg,schema,ok,st,dr;
struct ceva
{
    long long l,r;
}v[1000010];
bool cmp(ceva a,ceva b)
{
    return a.r<b.r || (a.r==b.r && a.l<b.l);
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>a>>b;
    //for(t=1;t<=100;t++)
    //    cout<<(t%a+t/b%a)%a<<" "<<t%b<<" TIMPUL: "<<t<<'\n';
    for(i=1;i<=n;i++)
    {
        cin>>v[i].l>>v[i].r;
        k=a*b;
        pozst=v[i].l%k;
        lg=v[i].r-v[i].l+1;
        if(lg>=k)
        {
            ok=1;
            ans=k;
        }
        if(pozst==0)
        {
            v[n+(++schema)]={k,k};
            pozst=1;
            v[i].l=1;
            v[i].r=v[i].l+lg-2;
            lg--;
        }
        if(pozst+lg-1>k)
        {
            v[n+(++schema)]={pozst,k};
            v[i]={1,lg-2};
        }
        else
            v[i]={pozst,pozst+lg-1};
    }
    if(ok==1)
    {
        cout<<k;
        return 0;
    }
    n=n+schema;
    sort(v+1,v+n+1,cmp);
    //for(i=1;i<=n;i++)
    //    cout<<v[i].l<<" "<<v[i].r<<'\n';
    st=0;
    dr=0;
    for(i=1;i<=n;i++)
    {
        st=max(st,v[i].l);
        st=max(st,v[i-1].r+1);
        if(dr==v[i].r)
            continue;
        dr=v[i].r;
        st=max(st,v[i].l);
        st=max(st,v[i-1].r+1);
        ans=ans+dr-st+1;
    }
    cout<<ans;
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 5 ms 600 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 612 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 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 372 ms 16092 KB Output is correct
3 Incorrect 367 ms 15952 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 372 ms 16092 KB Output is correct
3 Incorrect 367 ms 15952 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 372 ms 16092 KB Output is correct
3 Incorrect 367 ms 15952 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 36 ms 2648 KB Output is correct
3 Correct 39 ms 2652 KB Output is correct
4 Correct 401 ms 16004 KB Output is correct
5 Correct 36 ms 2652 KB Output is correct
6 Correct 36 ms 2896 KB Output is correct
7 Correct 37 ms 2648 KB Output is correct
8 Correct 39 ms 2540 KB Output is correct
9 Correct 35 ms 2904 KB Output is correct
10 Correct 36 ms 2660 KB Output is correct
11 Correct 39 ms 2672 KB Output is correct
12 Correct 31 ms 2648 KB Output is correct
13 Correct 37 ms 6376 KB Output is correct
14 Incorrect 396 ms 53076 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 5 ms 600 KB Output isn't correct
3 Halted 0 ms 0 KB -