Submission #6,551

2023-12-08 23:17:17

cpp17

Accepted 100/100

10ms

6640 KiB

#include <bits/stdc++.h>
using namespace std;
#define f(i,k,n) for(int i=k; i<n; i++)
#define ll long long
const int inf = INT_MAX;

void solve()
{
    int n;
    cin>>n;
    if(n==1)
    {
        cout<<"-1\n";
        return;
    }
    string s=""; 
    if(n%3==1)
    {
        s+="1155";
        n-=4;
    }    
    else if(n%3==2)
    {
        s+="15";
        n-=2;
    }
    f(i,0,n)  s+="1";
    cout<<s<<"\n";
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    //cin>>t;
    while(t--)  solve();
    return 0;
}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
subtask1	0/0	1	Accepted	3ms	1828 KiB
subtask2	33/33
		2	Accepted	3ms	2200 KiB
		3	Accepted	3ms	2328 KiB
		4	Accepted	3ms	2508 KiB
		5	Accepted	3ms	2480 KiB
		6	Accepted	3ms	2612 KiB
		7	Accepted	3ms	2824 KiB
		8	Accepted	3ms	3032 KiB
subtask3	33/33
		9	Accepted	4ms	3944 KiB
		10	Accepted	7ms	4464 KiB
		11	Accepted	8ms	5500 KiB
		12	Accepted	7ms	4716 KiB
		13	Accepted	7ms	5384 KiB
		14	Accepted	4ms	4600 KiB
		15	Accepted	4ms	3920 KiB
		16	Accepted	4ms	4148 KiB
		17	Accepted	6ms	4472 KiB
		18	Accepted	8ms	5340 KiB
		19	Accepted	4ms	4272 KiB
		20	Accepted	8ms	5752 KiB
subtask4	34/34
		21	Accepted	10ms	5856 KiB
		22	Accepted	4ms	4764 KiB
		23	Accepted	10ms	6368 KiB
		24	Accepted	10ms	6268 KiB
		25	Accepted	8ms	6360 KiB
		26	Accepted	6ms	5648 KiB
		27	Accepted	8ms	6500 KiB
		28	Accepted	8ms	6640 KiB
		29	Accepted	4ms	4972 KiB
		30	Accepted	8ms	6516 KiB
		31	Accepted	8ms	6536 KiB
		32	Accepted	3ms	4616 KiB
		33	Accepted	3ms	4972 KiB