const sumNumbers = (maxNumber) => {
console.time();
let answer = 0, i = 2;
next:for(i;i < maxNumber;i++) {
for(let j = 2; j < i; j++) {
if(i % j == 0) continue next;
}
answer = answer + i;
}
return console.log(answer);
console.timeEnd();
}
sumNumbers(2000000);
function sumNumbers(maxNumber) {
const buf = new Int8Array(maxNumber);
let answer = maxNumber > 2 ? 2 : 0;
for(let i = 3; i < maxNumber; i += 2) {
if (buf[i] === 1) {
continue;
}
answer += i;
const i2 = i * 2;
for(let j = i * i; j < maxNumber; j += i2) {
buf[j] = 1;
}
}
return answer;
}
Простой
Средний
