oj.uz

Submission #717871

# Submission time Handle Problem Language Result Execution time Memory
717871 2023-04-02T17:18:28 Z vjudge1 Table Tennis (info1cup20_tabletennis) C++17
87 / 100
 3000 ms 8092 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define all(x) x.begin(),x.end()
const int MOD = 1e9 + 7, SZ = 1e5 + 10, MX = 1e9;
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, k;
    cin >> n >> k;
    int arr[n + k];
    for(int &i : arr)
        cin >> i;
    ll a[k + 1], b[k + 1];
    for(int i=0;i<=k;i++)
        a[i] = arr[i];
    reverse(arr, arr + n + k);
    for(int i=0;i<=k;i++)
        b[i] = arr[i];
    set<ll> vec;
    for(ll i : a){
        for(ll j : b){
            if(i == j)
                continue;
            vec.insert(i + j);
        }
    }
    reverse(arr, arr + n + k);
    for(ll i : vec){
        vector<int> ans;
        int l = 0, r = n + k - 1;
        while(l < r){
            ll x = arr[l] + arr[r];
            if(ans.size() == n)
                break;
            if(x == i){
                ans.push_back(arr[l]);
                ans.push_back(arr[r]);
            }
            if(x >= i)
                r--;
            if(x <= i)
                l++;
        }
        if(ans.size() == n){
            sort(all(ans));
            for(int x : ans)
                cout << x << ' ';
            break;
        }
    }
    return 0;
}
// https://www.youtube.com/watch?v=zL32whN6p0A&ab_channel=HeidiAdel-CartoonWorld

Compilation message

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:34:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |             if(ans.size() == n)
      |                ~~~~~~~~~~~^~~~
tabletennis.cpp:45:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |         if(ans.size() == n){
      |            ~~~~~~~~~~~^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 328 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 772 KB Output is correct
2 Correct 35 ms 3008 KB Output is correct
3 Correct 39 ms 3068 KB Output is correct
4 Correct 30 ms 3068 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 2996 KB Output is correct
2 Correct 33 ms 3016 KB Output is correct
3 Correct 32 ms 3096 KB Output is correct
4 Correct 31 ms 3076 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 4 ms 724 KB Output is correct
3 Correct 1 ms 724 KB Output is correct
4 Correct 3 ms 596 KB Output is correct
5 Correct 1 ms 724 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #7
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 288 ms 3072 KB Output is correct
3 Correct 32 ms 3012 KB Output is correct
4 Correct 48 ms 3060 KB Output is correct
5 Correct 33 ms 3060 KB Output is correct
6 Correct 49 ms 4040 KB Output is correct
7 Correct 60 ms 3056 KB Output is correct
8 Correct 56 ms 3052 KB Output is correct

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 4620 KB Output is correct
2 Execution timed out 3029 ms 8092 KB Time limit exceeded
3 Halted 0 ms 0 KB -