Submission #90940

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
90940	2018-12-25 09:07:32	toloraia	Gift (IZhO18_nicegift)	C++14	49 / 100	994 ms	224112 KiB

nicegift

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#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
using namespace std;
const ll N = 2e6 + 5, INF = 1e9 + 5;
ll n, k;
pair < ll, ll > P[N];
ll nn;
vector < ll > V[N], v;
main()
{
    ios::sync_with_stdio(false);
    cin>>n>>k;
    for (ll i = 1; i <= n; i++){
        cin>>P[i].F;
        P[i].S = i;
    }
    sort (P + 1, P + n + 1);
    reverse (P + 1, P + n + 1);
    if (P[1].F == P[n].F){
        ll d = __gcd (n, k);
        ll m = k / d;
        if (P[1].F % m != 0){
            cout<<-1<<endl;
 
 
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Compilation message (stderr)

nicegift.cpp:16:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 0 / 51