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Submission #525598

# Submission time Handle Problem Language Result Execution time Memory
525598 2022-02-12T05:51:37 Z Farhan_HY Trampoline (info1cup20_trampoline) C++14
23 / 100
 2000 ms 17192 KB 
#include <bits/stdc++.h>
#define int long long
#define float double
#define pb push_back
#define F first
#define S second
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(); cin.tie(0); cout.tie(0);

using namespace std;

const int inf = 8e18;
const int N = 1e6 + 6;
const int M = 1e3 + 3;
const int mod = 1e9 + 7;
const float pi = atan(1) * 4;
int r, c, n;
map<int, set<int>> tramps;

main()
{
    cin >> r >> c >> n;
    for(int i = 0; i < n; i++)
    {
        int y, x;
        cin >> y >> x;
        tramps[y].insert(x);
    }
    T
    {
        int x1, x2, y1, y2;
        cin >> y1 >> x1 >> y2 >> x2;
        int last = y1;
        for(auto x: tramps)
        {
            if (x.F < y1)
                continue;
            if (x.F - last > 1)
            {
                y1 = -1;
                break;
            }
            if (y1 == y2)
                break;
            if (!tramps.count(y1))
                break;
            if (tramps[y1].end() == tramps[y1].lower_bound(x1))
                break;
            x1 = *tramps[y1].lower_bound(x1);
            y1 = x.F + 1;
            last = x.F;
            if (x1 > x2)
            {
                y1 = -1;
                break;
            }
        }
        if (y1 == y2)
            cout << "Yes\n";
        else
            cout << "No\n";
    }
}
/*
4 5 2
2 2
3 4
3
2 1 4 5
1 2 1 4
2 3 4 4
*/

Compilation message

trampoline.cpp:20:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main()
      | ^~~~

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 716 KB 200 token(s): yes count is 21, no count is 179
2 Correct 42 ms 712 KB 200 token(s): yes count is 70, no count is 130
3 Correct 24 ms 588 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2062 ms 9932 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2082 ms 14916 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 558 ms 552 KB expected YES, found NO [5th token]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2089 ms 17192 KB Time limit exceeded
2 Halted 0 ms 0 KB -