oj.uz

Submission #520760

# Submission time Handle Problem Language Result Execution time Memory
520760 2022-01-31T01:52:41 Z QuantumK9 Trampoline (info1cup20_trampoline) C++17
54 / 100
 2000 ms 21060 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define mt make_tuple 
 
using namespace std;
 
void solve(){
    
    ll r,c,n;
    cin >> r >> c >> n;
    
    map< ll, vector<ll> > down;

    vector<ll> emptyhehe;
  
    while(n--){
        ll x,y; cin >> x >> y; x--; y--;
        if( down.find(x) == down.end() ){ down[x] = emptyhehe; }
        down[x].pb(y);
    }

    for( pair<ll,vector<ll> > keyvalue : down ){
        ll i = keyvalue.first;
        sort( down[i].begin(), down[i].end() );
    }
    
    ll t;
    cin >> t;
 
    while(t--){
        ll x1,y1,x2,y2; cin >> x1 >> y1 >> x2 >> y2; x1--; y1--; x2--; y2--;

        if( x1 > x2 ){ cout << "No" << endl; continue; }

        bool yes = true;
        for( int i = x1; i < x2; i++ ){

            if( down.find(i) == down.end() ){ yes = false; break; }
            
            auto it = lower_bound( down[i].begin(), down[i].end(), y1 );

            if( it == down[i].end() ){ yes = false; break; }
            y1 = *it;
            if( y1 > y2 ){ yes = false; break; }
        }

        cout << ( yes ? "Yes" : "No") << endl;
    }
 
    return;
 
}
 
int main(){
 
    //freopen( "input.txt", "r", stdin );
 
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
 
    int t = 1; //cin>>t;
    while(t--){ solve(); }
 
    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB 200 token(s): yes count is 21, no count is 179
2 Correct 4 ms 556 KB 200 token(s): yes count is 70, no count is 130
3 Correct 4 ms 448 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 93 ms 3740 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 94 ms 3724 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 264 ms 2884 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 387 ms 3584 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 390 ms 15168 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 380 ms 15188 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 390 ms 14788 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 450 ms 15448 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 438 ms 15556 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 561 ms 21060 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 11 ms 588 KB expected NO, found YES [16th token]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2027 ms 14108 KB Time limit exceeded
2 Halted 0 ms 0 KB -