Submission #1021638

# Submission time Handle Problem Language Result Execution time Memory
1021638 2024-07-12T23:39:59 Z vjudge1 Archery (IOI09_archery) C++17
31 / 100
36 ms 644 KB
#include<bits/stdc++.h>
using namespace std;
void nextthingy(vector<int> &v){
    for(int i=0;i<v.size();i+=2)
        if(v[i]>v[i+1])
            swap(v[i],v[i+1]);
    swap(v[0],v[1]);
    for(int i=2;i<v.size();i+=2)
        swap(v[i],v[i-2]);
}
int main(){
    int n,r;
    cin>>n>>r;
    r=r%n+n+n;
    if(n>500) return cout<<n,0;
    vector<int>v(2*n);
    for(auto&i:v)cin>>i;
    int YOU=v[0];
    int bst1=n,bst2;
    for(int i=0;i<n;i++){
        vector<int>v2=v;
        int r2=r;
        while(r2--)nextthingy(v2);
        int p=n;
        for(int i=0;i<2*n;i++)
            if(v2[i]==YOU)
                p=i/2;
        if(bst1>=p)bst2=i,bst1=p;
        if(i<n-1)
            swap(v[i*2],v[i*2+2]);
    }
    cout<<bst2+1<<'\n';
}

Compilation message

archery.cpp: In function 'void nextthingy(std::vector<int>&)':
archery.cpp:4:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 |     for(int i=0;i<v.size();i+=2)
      |                 ~^~~~~~~~~
archery.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i=2;i<v.size();i+=2)
      |                 ~^~~~~~~~~
archery.cpp: In function 'int main()':
archery.cpp:32:19: warning: 'bst2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   32 |     cout<<bst2+1<<'\n';
      |                   ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 4 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 25 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 36 ms 436 KB Output is correct
3 Incorrect 0 ms 344 KB Output isn't correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 30 ms 348 KB Output is correct
7 Incorrect 0 ms 344 KB Output isn't correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Correct 0 ms 348 KB Output is correct
10 Incorrect 1 ms 348 KB Output isn't correct
11 Incorrect 0 ms 348 KB Output isn't correct
12 Incorrect 0 ms 348 KB Output isn't correct
13 Incorrect 0 ms 348 KB Output isn't correct
14 Incorrect 0 ms 644 KB Output isn't correct
15 Incorrect 0 ms 348 KB Output isn't correct
16 Correct 31 ms 348 KB Output is correct
17 Incorrect 0 ms 348 KB Output isn't correct
18 Incorrect 0 ms 348 KB Output isn't correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Incorrect 0 ms 348 KB Output isn't correct
22 Correct 0 ms 348 KB Output is correct
23 Incorrect 0 ms 348 KB Output isn't correct
24 Correct 31 ms 348 KB Output is correct
25 Incorrect 0 ms 344 KB Output isn't correct
26 Incorrect 1 ms 344 KB Output isn't correct
27 Incorrect 0 ms 348 KB Output isn't correct
28 Incorrect 0 ms 348 KB Output isn't correct
29 Incorrect 0 ms 348 KB Output isn't correct
30 Incorrect 0 ms 348 KB Output isn't correct
31 Incorrect 0 ms 348 KB Output isn't correct
32 Incorrect 0 ms 344 KB Output isn't correct
33 Correct 31 ms 440 KB Output is correct
34 Correct 27 ms 348 KB Output is correct
35 Incorrect 0 ms 348 KB Output isn't correct
36 Incorrect 1 ms 600 KB Output isn't correct
37 Incorrect 1 ms 348 KB Output isn't correct
38 Incorrect 0 ms 348 KB Output isn't correct
39 Correct 26 ms 348 KB Output is correct
40 Incorrect 1 ms 348 KB Output isn't correct
41 Incorrect 0 ms 348 KB Output isn't correct
42 Incorrect 0 ms 344 KB Output isn't correct
43 Incorrect 0 ms 348 KB Output isn't correct
44 Incorrect 0 ms 348 KB Output isn't correct
45 Incorrect 0 ms 348 KB Output isn't correct
46 Incorrect 1 ms 344 KB Output isn't correct
47 Incorrect 0 ms 348 KB Output isn't correct