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Submission #721316

# Submission time Handle Problem Language Result Execution time Memory
721316 2023-04-10T16:41:50 Z vjudge1 Uzastopni (COCI17_uzastopni) C++17
56 / 80
 260 ms 65536 KB 
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    ll n; cin >> n;

    ll k = n/2+1;
    
    if(k >= 8*1e7){
        return 0;
    }
    
    vector<ll> table(k+1);
    table[1] = 1;
    for(ll i = 2; i <= k; i++){
        if(table[i-1] == n){
           cout << 1 <<" "<< i-1 <<"\n";
        }
        table[i] = ((i*(i+1))/2);
    }
    ll pos = upper_bound(table.begin(), table.end(), n) - table.begin();

    for(ll i = pos; i <= k; i++){
        if(binary_search(table.begin(), table.end(), table[i]-n)){
            cout << lower_bound(table.begin(), table.end(), table[i]-n)-table.begin()+1 <<" "<< i <<"\n";
        }
    }






}

Subtask #1
56.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 596 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 53 ms 8108 KB Output is correct
7 Correct 260 ms 39376 KB Output is correct
8 Runtime error 34 ms 65536 KB Execution killed with signal 9
9 Incorrect 1 ms 212 KB Output isn't correct
10 Incorrect 0 ms 212 KB Output isn't correct