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Submission #441244

# Submission time Handle Problem Language Result Execution time Memory
441244 2021-07-04T18:18:54 Z Sarah_Mokhtar Table Tennis (info1cup20_tabletennis) C++14
9 / 100
 3000 ms 16368 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define read freopen("in.txt","r",stdin);freopen("out.txt","w",stdout)
const ll N=1e6+10,M=505,OO=1e16,mod=1e9+7;
int n,k;
ll a[N];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k;
    for(int i=0;i<n+k;++i){
        cin>>a[i];
    }
    vector<ll>ans;
    for(int i=0;i<=k;++i){
        for(int j=n-1;j>=n-1;--j){
            unordered_map<ll,int>cnt;
            for(int p=0;p<n+k;++p){
                cnt[a[p]]++;
            }
            ll sum=a[i]+a[j];
            int pairs=0;
            vector<ll>cur;
            for(int l=0;l<n+k;++l){
                if(cnt[sum-a[l]]){
                    cur.push_back(a[l]);
                    cur.push_back(sum-a[l]);
                    ++pairs;
                    cnt[sum-a[l]]--;
                    cnt[a[l]]--;
                }
                if(pairs==n/2){
                    ans=cur;
                    break;
                }
            }
            if(!ans.empty()) break;
        }
        if(!ans.empty()) break;
    }
    sort(ans.begin(),ans.end());
    for(ll i:ans) cout<<i<<' ';
    cout<<"\n";
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 460 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 1612 KB Output not subsequence of input
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 16368 KB Output is correct
2 Correct 80 ms 10804 KB Output is correct
3 Incorrect 299 ms 14976 KB Unexpected end of file - int32 expected
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 5 ms 332 KB Unexpected end of file - int32 expected
3 Halted 0 ms 0 KB -

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 8 ms 460 KB Unexpected end of file - int32 expected
3 Halted 0 ms 0 KB -

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 2256 ms 15640 KB Unexpected end of file - int32 expected
3 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Execution timed out 3072 ms 15620 KB Time limit exceeded
3 Halted 0 ms 0 KB -