Submission #11,500

2024-10-13 19:34:22

cpp17

Accepted 100/100

8ms

2332 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	1ms	508 KiB
subtask2	33/33
		2	Accepted	1ms	320 KiB
		3	Accepted	1ms	320 KiB
		4	Accepted	1ms	424 KiB
		5	Accepted	1ms	320 KiB
		6	Accepted	1ms	320 KiB
		7	Accepted	1ms	320 KiB
		8	Accepted	1ms	320 KiB
subtask3	33/33
		9	Accepted	3ms	968 KiB
		10	Accepted	4ms	1520 KiB
		11	Accepted	4ms	1724 KiB
		12	Accepted	4ms	1492 KiB
		13	Accepted	4ms	1516 KiB
		14	Accepted	3ms	1040 KiB
		15	Accepted	2ms	568 KiB
		16	Accepted	2ms	760 KiB
		17	Accepted	4ms	1068 KiB
		18	Accepted	4ms	1644 KiB
		19	Accepted	2ms	712 KiB
		20	Accepted	6ms	1776 KiB
subtask4	34/34
		21	Accepted	8ms	2332 KiB
		22	Accepted	3ms	716 KiB
		23	Accepted	8ms	2288 KiB
		24	Accepted	8ms	2288 KiB
		25	Accepted	6ms	2032 KiB
		26	Accepted	4ms	1236 KiB
		27	Accepted	6ms	2024 KiB
		28	Accepted	6ms	1820 KiB
		29	Accepted	2ms	568 KiB
		30	Accepted	4ms	1520 KiB
		31	Accepted	4ms	1592 KiB
		32	Accepted	1ms	332 KiB
		33	Accepted	1ms	572 KiB