1657C - Bracket Sequence Deletion - CodeForces Solution

import os
import sys 
import math
import random
from io import BytesIO, IOBase

f = 1

def isPal(s):
    i = 0
    j = len(s) - 1
    while(i < j):
        if s[i] != s[j]:
            return False
        i += 1
        j -= 1
    return True

def solve():
    n = int(input())
    s = input()
    ans = 0
    temp = ""
    i = 0
    while(i < n):
        temp += s[i]
        if len(temp) > 1:
            if isPal(temp) == True:
                ans += 1
                temp = ""
        else:
            if temp == "(" and i != n-1 and s[i+1] == ")":
                ans += 1
                temp = ""
                i += 1
        i += 1

    print(ans, len(temp))


BUFSIZE = 8192


class FastIO(IOBase):
    newlines = 0

    def __init__(self, file):
        self._fd = file.fileno()
        self.buffer = BytesIO()
        self.writable = "x" in file.mode or "r" not in file.mode
        self.write = self.buffer.write if self.writable else None

    def read(self):
        while True:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            if not b:
                break
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines = 0
        return self.buffer.read()

    def readline(self):
        while self.newlines == 0:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            self.newlines = b.count(b"\n") + (not b)
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines -= 1
        return self.buffer.readline()

    def flush(self):
        if self.writable:
            os.write(self._fd, self.buffer.getvalue())
            self.buffer.truncate(0), self.buffer.seek(0)

class IOWrapper(IOBase):
    def __init__(self, file):
        self.buffer = FastIO(file)
        self.flush = self.buffer.flush
        self.writable = self.buffer.writable
        self.write = lambda s: self.buffer.write(s.encode("ascii"))
        self.read = lambda: self.buffer.read().decode("ascii")
        self.readline = lambda: self.buffer.readline().decode("ascii")

sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
input = lambda: sys.stdin.readline().rstrip("\r\n")

if(os.path.exists('input.txt')):
    sys.stdin = open("input.txt","r")
    sys.stdout = open("output.txt","w")


if __name__ == "__main__":
    if f == 1:
        t = int(input())
        while(t):
            solve(); t -= 1
    else: solve()