noob247365's solution to https://www.codingame.com/ide/16459724f206ed16bee39598553d2c39993eb7a

gistfile1.txt

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/
 
var L = parseInt(readline());
var H = parseInt(readline());
var T = readline().toUpperCase();
var ascii = [[]];
for (var i = 0; i < H; i++) {
    var ROW = readline();
    ascii[i] = [];
    for (var j = 0; j < 27; j += 1 ) {
        ascii[i][j] = ROW.substr(L * j, L);
    }
}
 
var ascii_A = 'A'.charCodeAt(0);
var ascii_Z = 'Z'.charCodeAt(0);
 
var N = T.length;
var res = '';
for (var i = 0; i < H; i++) {
    for(var j = 0; j < N; j++) {
        var ch = T.charCodeAt(j);
        if(ch >= ascii_A && ch <= ascii_Z) {
            ch -= ascii_A;
            res += ascii[i][ch];
        } else {
            res += ascii[i][26];
        }
    }
    res = res + '\n';
}
 
print(res);