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#! /usr/bin/node
"use strict"
function mostfrequenteven(l) {
let f = new Map();
for (let n of l) {
if (n % 2 == 0) {
if (f.has(n)) {
f.set(n, f.get(n) + 1);
} else {
f.set(n, 1);
}
}
}
if (f.size > 0) {
let m = Math.max(...f.values());
let l = Array.from(f.keys()).filter(i => f.get(i) == m);
l.sort();
return l[0];
} else {
return -1;
}
}
if (mostfrequenteven([1, 1, 2, 6, 2]) == 2) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write(" ");
if (mostfrequenteven([1, 3, 5, 7]) == -1) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write(" ");
if (mostfrequenteven([6, 4, 4, 6, 1]) == 4) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write("\n");
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