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Submission #1009399

# Submission time Handle Problem Language Result Execution time Memory
1009399 2024-06-27T13:14:31 Z 12345678 Trampoline (info1cup20_trampoline) C++17
11 / 100
 493 ms 45144 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=2e5+5, kx=18;

int r, c, n, q, p[4], pa[nx][kx], x[nx], y[nx];
map<int, set<pair<int, int>>> mp;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>r>>c>>n;
    for (int i=1; i<=n; i++) cin>>x[i]>>y[i], mp[x[i]].insert({y[i], i});
    for (int i=1; i<=n; i++) 
    {
        if (mp.find(x[i]+1)==mp.end()||mp[x[i]+1].lower_bound(make_pair(y[i], 0))==mp[x[i]+1].end()) pa[i][0]=i;
        else pa[i][0]=mp[x[i]+1].lower_bound(make_pair(y[i], 0))->second;
    }
    for (int i=1; i<kx; i++) for (int j=1; j<=n; j++) pa[j][i]=pa[pa[j][i-1]][i-1];
    cin>>q;
    while (q--)
    {
        cin>>p[0]>>p[1]>>p[2]>>p[3];
        if (p[0]>p[2]) cout<<"No\n";
        else if (p[1]>p[3]) cout<<"No\n";
        else if (p[0]==p[2]) cout<<"Yes\n";
        else if (mp.find(p[0])==mp.end()||mp[p[0]].lower_bound(make_pair(p[1], 0))==mp[p[0]].end()) cout<<"No\n";
        else
        {
            int st=mp[p[0]].lower_bound(make_pair(p[1], 0))->second;
            for (int i=kx-1; i>=0; i--) if (x[pa[st][i]]<p[2]) st=pa[st][i];
            if (y[st]<=p[3]) cout<<"Yes\n";
            else cout<<"No\n";

        }
    }
}

Subtask #1
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2908 KB expected NO, found YES [64th token]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 174 ms 27540 KB expected NO, found YES [40th token]
2 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 298 ms 37900 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 300 ms 37716 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 348 ms 37660 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 391 ms 37968 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 381 ms 37976 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 425 ms 43844 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2904 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 7 ms 2908 KB 5000 token(s): yes count is 3837, no count is 1163
3 Incorrect 7 ms 3420 KB expected NO, found YES [26th token]
4 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 493 ms 45144 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 449 ms 39556 KB 200000 token(s): yes count is 161254, no count is 38746
3 Incorrect 357 ms 37736 KB expected NO, found YES [194374th token]
4 Halted 0 ms 0 KB -