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Submission #491752

# Submission time Handle Problem Language Result Execution time Memory
491752 2021-12-04T08:58:32 Z reni Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
0 / 100
 2996 ms 26544 KB 
#include<iostream>
#include<stack>
using namespace std;
long long maxi[10000000], a[10000000];
stack<long long>st;

void build(long long le,long long ri,long long ind)
{
    if(le==ri)
    {
        maxi[ind]=a[le];return;
    }
    long long mid=(le+ri)/2;

    build(le,mid,2*ind);
    build(mid+1,ri,2*ind+1);

    maxi[ind]=max(maxi[2*ind],maxi[2*ind+1]);

}
long long query(long long le,long long ri,long long l,long long r,long long ind)
{
    if(le>r || ri<l)return 0;

    if(l<=le && ri<=r)
    {
        return maxi[ind];
    }
    long long mid=(le+ri)/2;

    long long r1,r2;

    r1=query(le,mid,l,r,2*ind);
    r2=query(mid+1,ri,l,r,2*ind+1);

    return max(r1,r2);
}
int main()
{
    long long i,j,n,m,l,r,k,p;

    cin>>n>>m;

    for(i=1;i<=n;i++)
    {
        cin>>p;
        while(!st.empty() && st.top()<=p)st.pop();
        if(st.empty())
        {

            a[i]=-1;
        }
        else
        {
            a[i]=st.top();
        }
         st.push(p);
    }
    build(1,n,1);
    for(i=1;i<=m;i++)
    {
        cin>>l>>r>>k;

        long long res=query(1,n,l,r,1);

        if(res<=k)cout<<1<<endl;
        else cout<<0<<endl;
    }
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:40:17: warning: unused variable 'j' [-Wunused-variable]
   40 |     long long i,j,n,m,l,r,k,p;
      |                 ^

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 2996 ms 26544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 253 ms 3396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -