oj.uz

Submission #685908

# Submission time Handle Problem Language Result Execution time Memory
685908 2023-01-25T03:53:25 Z Alihan_8 Trampoline (info1cup20_trampoline) C++17
54 / 100
 2000 ms 19444 KB 
#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int r, c, n; cin >> r >> c >> n;
    map <int,set<int>> st;
    for ( int i = 1; i <= n; i++ ){
        int x, y; cin >> x >> y;
        st[--x].insert(--y);
    }
    int t; cin >> t;
    while ( t-- ){
        int xs, ys, xe, ye;
        cin >> xs >> ys >> xe >> ye;
        if ( xs > xe ){
            cout << "No\n";
            continue;
        }
        xs--, xe--, ys--, ye--;
        bool flag = true;
        while ( xs < xe ){
            auto it = st[xs].lower_bound(ys);
            if ( it == st[xs].end() or *it > ye ){
                flag = false;
                break;
            }
            ys = *it;
            xs++;
        }
        if ( flag ) cout << "Yes\n";
        else cout << "No\n";
    }

    cout << '\n';
}

Compilation message

trampoline.cpp: In function 'void IO(std::string)':
trampoline.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
trampoline.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 724 KB 200 token(s): yes count is 21, no count is 179
2 Correct 4 ms 852 KB 200 token(s): yes count is 70, no count is 130
3 Correct 3 ms 596 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 156 ms 11624 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 181 ms 11220 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 472 ms 11060 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 455 ms 11244 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 288 ms 12888 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 292 ms 11368 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 310 ms 11548 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 337 ms 12480 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 369 ms 12488 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 378 ms 18600 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 7 ms 852 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 2058 ms 19444 KB Time limit exceeded
2 Halted 0 ms 0 KB -