Submission #147664

#	Time	Username	Problem	Language	Result	Execution time	Memory
147664		xDWaffle	Ljetopica (COI19_ljetopica)	C++11	0 / 100	2 ms	376 KiB

ljetopica

#include <bits/stdc++.h>
#define ff(j, a, b) for(long long j=a;j<b;j++)
#define pb push_back;
#define MOD 1000000007

using namespace std;

typedef long long ll;

ll n, k;
ll a, b, path;



void load_path()
{
    path=1;
    ff(j, 0, n-1)
    {
        char tmp;
        cin >> tmp;
        path=path*2;
        if(tmp=='R')
        {
            path++;
        }
        path=path%MOD;
    }
}

ll bin_string_to_ll()
{

    ll res=0;
    ff(j, 0, n)
    {
        char c;
        cin >> c;
       res=res*2;
       if(c=='1')
       {
            res++;
       }
       res=res%MOD;
    }
    return res;
}

int main()
{
    cin >> n >> k;
    load_path();
    a=bin_string_to_ll();
    b=bin_string_to_ll();
  
    cout << (a%MOD+b%MOD)%MOD;
    return 0;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 17
• Subtask 4: 0 / 61