import sys
import logging
import math
from decimal import Decimal, ROUND_FLOOR
input = sys.stdin.readline
logger = logging.getLogger(__name__)


def read():
    N = int(input().strip())
    AB = []
    for i in range(N):
        a, b = map(Decimal, input().strip().split())
        AB.append((a, b))
    return N, AB


def solve(N, AB):
    for a, b in AB:
        ab = a.sqrt() + b.sqrt()
        ans = ab.quantize(Decimal("1."), rounding=ROUND_FLOOR) + 1
        print(ans)


if __name__ == "__main__":
    inputs = read()
    outputs = solve(*inputs)
    if outputs is not None:
        print("%s" % str(outputs))