Submission

Score: 20

User: C12

Problemset: ทางเชื่อม

Language: cpp

Time: 0.107 second

Submitted On: 2026-01-08 11:10:42

#include <bits/stdc++.h>
using namespace std;

#define f first
#define s second
#define pii pair<ll,ll>
#define puii pair<ull,ull>
#define piii pair<ll,pii>
#define tiiii tuple<ll,ll,ll,ll>
#define ll long long
#define ull unsigned long long
#define mp make_pair
#define mt make_tuple
 
#define mpiiii(a,b,c) make_pair(a,make_pair(b,c));
ll mod = 1e9+7;

ll n;
int board[2][5001];
ll prevs[2],curr[2];

void solve(){
    cin >> n;
    char t[5001];
    
    cin >> t;
    for(int i = 0;i < n;i++){
        // cin >> t;
        // if(t == '\n') continue;

        if(t[i] == '#'){
            board[0][i] = 0;
        }
        else{
            board[0][i] = 1;
        }
    }

    cin >> t;
    for(int i = 0;i < n;i++){
        // if(t == '\n') continue;

        if(t[i] == '#'){
            board[1][i] = 0;
        }
        else{
            board[1][i] = 1;
        }
    }

    ll cnt = board[0][0] + board[1][0];
    // cout << cnt << '\n';
    for(int i = 0;i < n-1;i++){
        if((board[0][i] == '#' || board[0][i+1]) == '#' && (board[1][i] == '#' || board[1][i+1] == '#')) cnt = 0;
        if(!(board[0][i] == '#' || board[0][i+1] == '#' || board[1][i] == '#' || board[1][i+1] == '#')) cnt = (cnt<<1)%mod;
    }
    if(!(board[0][n-1] == '#' || board[1][n-1] == '#')) cnt = (cnt<<1)%mod;
    
    cout << cnt << endl;

    return;
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    ll q;
 
    cin >> q;

    while(q--)
        solve(); 

    return 0;
}
/*
3
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2
..
..
2
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..

3
1
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3
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3
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4
8
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9
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10
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20
....................
....................

7
40
........................................
........................................
42
.....................#....................
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29
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31
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...............................
21
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30
##...................##.......
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80
.........................................#######################################
................................................................................


2,147,483,648
1,000,000,007
30
147,483,634
29
73,741,817

23240159
23240159
73741817
73741817
4194304
4194304
23240159
*/