codeforces/Binary-String-Constructing.cpp at master · nirdesh17/codeforces · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
#include<bits/stdc++.h>
using namespace std;
#define ll long long int

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll a,b,c;
    cin>>a>>b>>c;
    string s;
    char d='1',e='0';
    ll count1=0;// for 0s
    ll count2=0;// for 1s

        if(c==1)
        {
            for(ll j=0;j<b;j++)
            s.push_back(d);
            for(ll j=0;j<a;j++)
            s.push_back(e);
        }
        else if(c%2==0 && a==1)
        {
            s.push_back(d);
            s.push_back(e);
            count1++;count2++;
            for(ll j=0;j<b-count2;j++)
            s.push_back(d);
            for(ll j=0;j<a-count1;j++)
            s.push_back(e);
        }

        else
        {
            for(ll i=1;i<c;i++)
            {
                if(c%2==0)
                {
                    if(i%2==0)
                    {
                        s.push_back(d);
                        count2++;
                    }
                    else
                    {
                        s.push_back(e);
                        count1++;
                    }
                }
                else
                {
                    if(i%2==0)
                    {
                        s.push_back(e);
                        count1++;
                    }
                    else
                    {
                        s.push_back(d);
                        count2++;
                    }
                }
            }
            for(ll j=0;j<b-count2;j++)
            s.push_back(d);
            for(ll j=0;j<a-count1;j++)
            s.push_back(e);
        }

    cout<<s<<endl;
    return 0;
}