Entrepreneur

n, t = map(int, input().split())
k = list(map(int, input().split()))

low = 0
high = 1000000000000000000
ans = 0

while low <= high:
    mid = low + (high - low) // 2;

    cnt = 0;
    for v in k:
        cnt += mid // v
    
    if cnt >= t:
        ans = mid;
        high = mid - 1;
    else:
        low = mid + 1;

print(ans)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: TIME LIMIT EXCEEDED

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED