from flask import Flask, jsonify, request
from flask_cors import CORS
from werkzeug.utils import secure_filename
import os
import subprocess
from db import SqlDb
app = Flask(__name__)
CORS(app)
DB = SqlDb()
def cpp(str, num, q, name):
a1 = subprocess.Popen(["g++", name], stdout=subprocess.PIPE)
count = 0
for i in range(1, num + 1):
os.system("rm out.txt")
if len(a1.stdout.readline().decode("utf-8")) > 0:
return -1
a = subprocess.Popen(["cat", "./input/{0}/{1}.txt".format(q, i)],
stdout=subprocess.PIPE)
output = subprocess.Popen(["./a.out"],
stdin=a.stdout,
stdout=subprocess.PIPE)
a.wait()
str3 = output.stdout.readline().decode("utf-8")
f = open("out.txt", "w")
a = subprocess.Popen(["echo", str3], stdout=f)
b = subprocess.Popen(["cat", "./output/{0}/{1}.txt".format(q, i)],
stdout=subprocess.PIPE)
output1 = subprocess.Popen(["python", "check.py"],
stdin=b.stdout,
