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Submission #481789

# Submission time Handle Problem Language Result Execution time Memory
481789 2021-10-21T23:23:42 Z Yazan_Alattar Table Tennis (info1cup20_tabletennis) C++14
9 / 100
 3000 ms 2376 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
#include <list>
#include <utility>
#include <cmath>
#include <numeric>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 200007;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};

ll n, k, a[M], sum, ans;

int main()
{
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n + k; ++i) cin >> a[i];
    sort(a + 1, a + n + k + 1);
    for(int mask = 1; mask <= (1 << (n + k)); ++mask){
        vector <int> v;
        for(int i = 0; i < n + k; ++i) if((mask >> i) & 1) v.pb(a[i + 1]);
        if(v.size() != n) continue;
        int sum = v[0] + v.back(), wr = 0;
        for(int i = 0; i < n / 2; ++i) if(v[i] + v[n - i - 1] != sum) wr = 1;
        if(!wr){
            for(int i = 0; i < n + k; ++i) if((mask >> i) & 1) cout << a[i + 1] << " ";
            cout << endl;
            break;
        }
    }
    return 0;
}
// Don't forget special cases. (n = 1?)
// Look for the constraints. (Runtime array? overflow?)

Compilation message

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:37:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   37 |         if(v.size() != n) continue;
      |            ~~~~~~~~~^~~~

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 297 ms 332 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 2 ms 460 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3068 ms 2376 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 1 ms 332 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 18 ms 1768 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 Incorrect 17 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -