Vaibhav Tulsyan xennygrimmato

FWIW: I didn't produce the content presented here (the outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

	#include <bits/stdc++.h>
	#define pb push_back
	#define ll long long
	using namespace std;

	const int N = 6502;
	const int INF = 1000000000;
	const int MOD = 1000000007;

	typedef vector<int> vi;

	from collections import Counter
	MOD, N = 109 + 7, 105 + 2
	fact = [1] + [j for j in [1] for i in xrange(1, N) for j in [(j * i) % MOD]]
	inv = [pow(fact[i], MOD - 2, MOD) for i in xrange(N)]
	def C(h, k): return (fact[h] * inv[k] * inv[h - k]) % MOD
	n, d = raw_input(), Counter(map(int, raw_input().split())).most_common()
	print (reduce(lambda x, y: (x * C(d[0][1], y[1]) * fact[y[1]]) % MOD, d, 1) * inv[d[0][1]]) % MOD

	# https://community.topcoder.com/stat?c=problem_statement&pm=11359

	class TheLotteryBothDivs:
	def find(self, goodSuffixes):
	s = goodSuffixes
	s = sorted(s, key=lambda x: len(x))
	st = set()
	for t in s:
	for i in xrange(len(t)):
	if t[i:] in st:

	# http://www.spoj.com/problems/PT07X/
	from functools import lru_cache
	d = {}
	@lru_cache(maxsize=None)
	def f(u, taken, parent):
	s0, s1 = 0, 0
	for v in d[u]:
	if taken and v!=parent: s0 += min(f(v, 1, u), f(v, 0, u))
	elif v!=parent: s1 += f(v, 1, u)
	if taken: return 1 + s0

	Summary of the reports:
	...
	(not shared for privacy)

	Error while running epilogue "restoring Maven's pom.xml to its original state":
	(Unix.Unix_error "No such file or directory" rename
	"((src /Users/vaibhavtulsyan/infer_test_run/portal/rest-utils/pom.xml.infer-orig) (dst /Users/vaibhavtulsyan/infer_test_run/portal/rest-utils/pom.xml))").
	Powering through...
	Error while running epilogue "restoring Maven's pom.xml to its original state":
	(Unix.Unix_error "No such file or directory" rename

	...
	copying bblfsh/github/com/gogo/protobuf/gogoproto/__init__.py -> build/lib.macosx-10.12-x86_64-3.6/bblfsh/github/com/gogo/protobuf/gogoproto
	warning: build_py: byte-compiling is disabled, skipping.

	running build_ext
	building 'bblfsh.pyuast' extension
	creating build/temp.macosx-10.12-x86_64-3.6
	creating build/temp.macosx-10.12-x86_64-3.6/bblfsh
	creating build/temp.macosx-10.12-x86_64-3.6/bblfsh/libuast
	gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -Ibblfsh/libuast -I/usr/local/include -I/usr/local/include/libxml2 -I/usr/include -I/usr/include/libxml2 -I/usr/local/Cellar/python/3.6.5_1/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c bblfsh/pyuast.cc -o build/temp.macosx-10.12-x86_64-3.6/bblfsh/pyuast.o -std=c++11

Vaibhav Tulsyan xennygrimmato

Effective Engineer - Notes

What's an Effective Engineer?