oj.uz

Submission #522890

# Submission time Handle Problem Language Result Execution time Memory
522890 2022-02-06T10:10:02 Z Savu_Stefan_Catalin Trampoline (info1cup20_trampoline) C++14
81 / 100
 290 ms 30064 KB 
#include <iostream>
#include <algorithm>
using namespace std;
int n,t[25][200005],xs,ys,xf,yf,i,j,test,st;
pair<int,int> s[200005];
int cb(int x,int y)
{
    int st=1,dr=n,mij=0,ras=0;
    while (st<=dr)
    {
        mij=(st+dr)/2;
        if (s[mij].first>x) {dr=mij-1;}
        else if (s[mij].first<x) {st=mij+1;}
        else if (s[mij].second<y) {st=mij+1;}
        else {dr=mij-1; ras=mij;}
    }
    return ras;
}
int ascen(int nod,int lvl)
{
    for (int i=19;i>=0;--i)
    {
        if ((1<<i)<=lvl)
        {
            nod=t[i][nod];
            lvl-=(1<<i);
        }
    }
    if (nod==0) return 1000000000;
    return s[nod].second;
}
int main()
{
    ios_base::sync_with_stdio(NULL);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>n>>n;
    for (i=1;i<=n;++i)
    {
        cin>>s[i].first>>s[i].second;
    }
    sort(s+1,s+n+1);
    for (i=1;i<=n;++i)
    {
        t[0][i]=cb(s[i].first+1,s[i].second);
    }
    for (i=1;i<=19;++i)
    {
        for (j=1;j<=n;++j)
        t[i][j]=t[i-1][t[i-1][j]];
    }
    cin>>test;
    for (i=1;i<=test;++i)
    {
        cin>>xs>>ys>>xf>>yf;
        if (xs==xf) {if (ys<=yf) {cout<<"Yes"<<'\n';} else {cout<<"No"<<'\n';} continue;}
        if (xf<xs||yf<ys) {cout<<"No"<<'\n'; continue;}
        st=cb(xs,ys);
        if (st==0) {cout<<"No";}
        else if (ascen(st,xf-1-xs)<=yf) {cout<<"Yes";}
        else {cout<<"No";}
        cout<<'\n';
    }
    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1100 KB 200 token(s): yes count is 21, no count is 179
2 Correct 3 ms 1284 KB 200 token(s): yes count is 70, no count is 130
3 Correct 3 ms 1100 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 17452 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 70 ms 19348 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 66 ms 19056 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 70 ms 19296 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 18244 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 193 ms 29880 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 202 ms 29800 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 191 ms 29892 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 194 ms 29896 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 195 ms 29688 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 844 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 5 ms 1100 KB 5000 token(s): yes count is 3837, no count is 1163
3 Incorrect 7 ms 1100 KB expected NO, found YES [3685th token]
4 Halted 0 ms 0 KB -

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 243 ms 18252 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 261 ms 29964 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 202 ms 30016 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 264 ms 29800 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 222 ms 29860 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 218 ms 29888 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 217 ms 29908 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 200 ms 29892 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 244 ms 29828 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 290 ms 30004 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 273 ms 29820 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 183 ms 30052 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 185 ms 29944 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 218 ms 30064 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 194 ms 29884 KB 200000 token(s): yes count is 129674, no count is 70326