oj.uz

Submission #642768

# Submission time Handle Problem Language Result Execution time Memory
642768 2022-09-20T13:15:20 Z andrei_boaca Abracadabra (CEOI22_abracadabra) C++14
10 / 100
 1306 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;
int n,q;
vector<int> v;
vector<vector<int>> vals;
vector<int> trans(vector<int> v)
{
    vector<int> a,b;
    for(int i=0;i<v.size();i++)
    {
        if(i*2<v.size())
            a.push_back(v[i]);
        else
            b.push_back(v[i]);
    }
    reverse(a.begin(),a.end());
    reverse(b.begin(),b.end());
    vector<int> rez;
    while(a.size()||b.size())
    {
        if(a.size()&&b.size())
        {
            int x=a.back();
            int y=b.back();
            rez.push_back(min(x,y));
            if(x<y)
                a.pop_back();
            else
                b.pop_back();
            continue;
        }
        if(a.size())
        {
            int x=a.back();
            a.pop_back();
            rez.push_back(x);
        }
        else
        {
            int x=b.back();
            b.pop_back();
            rez.push_back(x);
        }
    }
    return rez;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>q;
    for(int i=1;i<=n;i++)
    {
        int x;
        cin>>x;
        v.push_back(x);
    }
    vals.push_back(v);
    while(true)
    {
        v=trans(v);
        vector<int> aux=vals.back();
        bool iseq=1;
        for(int i=0;i<v.size();i++)
            if(v[i]!=aux[i])
                iseq=0;
        if(iseq)
            break;
        vals.push_back(v);
    }
    while(q--)
    {
        int i,j;
        cin>>i>>j;
        int lg=vals.size();
        i=min(i,lg-1);
        cout<<vals[i][j-1]<<'\n';
    }
    return 0;
}

Compilation message

Main.cpp: In function 'std::vector<int> trans(std::vector<int>)':
Main.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
Main.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |         if(i*2<v.size())
      |            ~~~^~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:65:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 262 ms 9408 KB Output is correct
2 Correct 200 ms 8824 KB Output is correct
3 Correct 228 ms 9380 KB Output is correct
4 Correct 177 ms 10196 KB Output is correct
5 Correct 200 ms 10636 KB Output is correct
6 Correct 200 ms 9932 KB Output is correct
7 Correct 204 ms 9676 KB Output is correct
8 Correct 194 ms 9180 KB Output is correct
9 Correct 174 ms 9368 KB Output is correct
10 Correct 196 ms 9048 KB Output is correct
11 Correct 182 ms 9036 KB Output is correct
12 Correct 176 ms 8408 KB Output is correct
13 Correct 179 ms 8456 KB Output is correct
14 Correct 199 ms 10928 KB Output is correct
15 Correct 182 ms 10440 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 203 ms 9420 KB Output is correct
18 Correct 172 ms 9336 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 1306 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 1246 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 262 ms 9408 KB Output is correct
2 Correct 200 ms 8824 KB Output is correct
3 Correct 228 ms 9380 KB Output is correct
4 Correct 177 ms 10196 KB Output is correct
5 Correct 200 ms 10636 KB Output is correct
6 Correct 200 ms 9932 KB Output is correct
7 Correct 204 ms 9676 KB Output is correct
8 Correct 194 ms 9180 KB Output is correct
9 Correct 174 ms 9368 KB Output is correct
10 Correct 196 ms 9048 KB Output is correct
11 Correct 182 ms 9036 KB Output is correct
12 Correct 176 ms 8408 KB Output is correct
13 Correct 179 ms 8456 KB Output is correct
14 Correct 199 ms 10928 KB Output is correct
15 Correct 182 ms 10440 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 203 ms 9420 KB Output is correct
18 Correct 172 ms 9336 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Runtime error 1306 ms 524288 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -