oj.uz

Submission #523971

# Submission time Handle Problem Language Result Execution time Memory
523971 2022-02-08T13:31:53 Z lucri Trampoline (info1cup20_trampoline) C++17
11 / 100
 2000 ms 5652 KB 
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
int n,m,k,q,link[200010];
pair<int,int>tr[200010];
int xb,yb,xe,ye;
int cb(int b,int e)
{
    if(b>e)
        return b;
    int m=(b+e)/2;
    if(tr[m].first<xb||tr[m].first==xb&&tr[m].second<yb)
        return cb(m+1,e);
    return cb(b,m-1);
}
ifstream in("test.in");
ofstream out("test.out");
int main()
{
    ios_base::sync_with_stdio(NULL);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>m>>k;
    for(int i=1;i<=k;++i)
        cin>>tr[i].first>>tr[i].second;
    sort(tr+1,tr+k+1);
    tr[k+1]={1111111111,1111111111};
    for(int i=1;i<=k;++i)
    {
        xb=tr[i].first+1;
        yb=tr[i].second;
        link[i]=cb(i+1,k);
        if(tr[link[i]].first>tr[i].first+1)
            link[i]=k+1;
    }
    cin>>q;
    while(q--)
    {
        cin>>xb>>yb>>xe>>ye;
        int poz=cb(1,k);
        int l=xb,c=yb;
        if(l<tr[poz].first)
            poz=k+1;
        while(l<xe)
        {
            l=tr[poz].first+1;
            c=tr[poz].second;
            poz=link[poz];
        }
        if(c<=ye)
            cout<<"Yes"<<'\n';
        else
            cout<<"No"<<'\n';
    }
    return 0;
}

Compilation message

trampoline.cpp: In function 'int cb(int, int)':
trampoline.cpp:13:39: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   13 |     if(tr[m].first<xb||tr[m].first==xb&&tr[m].second<yb)
      |                        ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 460 KB expected NO, found YES [27th token]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 4604 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 59 ms 4452 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 65 ms 4156 KB 4000 token(s): yes count is 4000, no count is 0
4 Incorrect 73 ms 4488 KB expected NO, found YES [1000th token]
5 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 5652 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 186 ms 4456 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 182 ms 4352 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 182 ms 4292 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 179 ms 4404 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 177 ms 4328 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 588 KB expected NO, found YES [17th token]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2049 ms 3748 KB Time limit exceeded
2 Halted 0 ms 0 KB -