Accepted solution in Python with 0.02 total execution time.

`

from sys import stdin, stdout

def winner():

# read number of rounds

tot_rounds = int(stdin.readline())

lead_p1 = 0

lead_p2 = 0

ts_p1 = 0

ts_p2 = 0

for r in range(1, tot_rounds + 1):

line = stdin.readline()

sp1, sp2 = [int(x) for x in line.split()]