oj.uz

Submission #525459

# Submission time Handle Problem Language Result Execution time Memory
525459 2022-02-11T17:17:57 Z scwadr Trampoline (info1cup20_trampoline) C++17
0 / 100
 1239 ms 9780 KB 
#include <bits/stdc++.h>

using namespace std;

map<int, vector<int>> mp;
int xf, yf;
int yyy;

bool wae(int x, int y)
{
    if(xf<x || yf<y)
    {
        cout<<"1\n";
        return 0;
    }
    else if(xf==x) return 1;
    else
    {
        yyy=lower_bound(mp[x].begin(), mp[x].end(), y)-mp[x].begin();
        //cout<<x<<' '<<yyy<<' '<<mp[x][yyy]<<'\n';
        if(yyy==mp[x].size())
        {
            //cout<<"2\n";
            return false;
        }
        else return wae(x+1, mp[x][yyy]);
    }
}

int main()
{
    int r, c, n ,t;
    cin>>r>>c>>n;
    for(int i=0; i<n; i++)
    {
        int x, y;
        cin>>x>>y;
        mp[x].push_back(y);
    }
    for(auto i : mp)
    {
        sort(i.second.begin(), i.second.end());
    }
    cin>>t;
    while(t--)
    {
        int xs, ys;
        cin>>xs>>ys>>xf>>yf;
        if(xf-xs>n) cout<<"No\n";
        else if(wae(xs, ys))    cout<<"Yes\n";
        else cout<<"No\n";
    }
    return 0;
}

Compilation message

trampoline.cpp: In function 'bool wae(int, int)':
trampoline.cpp:21:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         if(yyy==mp[x].size())
      |            ~~~^~~~~~~~~~~~~~

Subtask #1
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 332 KB YES or NO expected, but 1 found [1st token]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 129 ms 1896 KB YES or NO expected, but 1 found [1st token]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 716 ms 2632 KB YES or NO expected, but 1 found [1st token]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 348 KB expected YES, found NO [1st token]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1239 ms 9780 KB expected YES, found NO [1st token]
2 Halted 0 ms 0 KB -