Submission #169073

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
169073	2019-12-18 10:01:24	egekabas	Lun (COCI19_lun)	C++14	50 / 50	2 ms	504 KiB

lun

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#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long   ll;
typedef unsigned long long   ull;
typedef long double ld;
typedef pair<ll, ll>    pll;
typedef pair<ull, ull>    pull;
typedef pair<int, int>  pii;
typedef pair<ld, ld>  pld;
ll n;
ll a[109];
ll check(){
    ll sum = 0;
    for(ll i = n-2; i >= 0; i -= 2){
        ll tmp = a[i]*2;
        while(tmp > 0){
            sum += tmp%10;
            tmp /= 10;
        }
    }
    for(ll i = n-3; i >= 0; i -= 2)
        sum += a[i];
    if((sum*9)%10 == a[n-1])
        return 1;
    return 0;
}
 
 
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• Subtask 1: 50 / 50