Submission #674694

#	Time	Username	Problem	Language	Result	Execution time	Memory
674694		vjudge1	Logičari (COCI21_logicari)	C++17	10 / 110	1 ms	340 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize ("Ofast")
 
#define F first
#define S second
#define vi vector<int>
#define vvi vector<vi>
#define pi pair<int, int>
#define vpi vector<pi>
#define vb vector<bool>
#define vvb vector<vb>
#define pb push_back
#define ppb pop_back
#define read(a) for(auto &x:a) cin >> x;
#define print(a) for(auto x:a) cout << x << " "; cout << "\n";
#define vc vector<char>
#define vvc vector<vc>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

#define int long long
#define ld long double
const int INF = 4e18;

void solve(){
    int n; cin >> n;
    cout << (n%4==0 ? n/2 : -1) << "\n";
}

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

    // #ifndef ONLINE_JUDGE
    //     freopen("in.txt", "r", stdin);
    //     freopen("out.txt", "w", stdout);
    // #endif

    int tt = 1;
    // cin >> tt;
    while(tt--)
        solve();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40
• Subtask 4: 0 / 50