Improve Latex generator

algorithms/graph/bellman_ford.cpp

algorithms/graph/bipartite_match.cpp

algorithms/graph/dinic.cpp

algorithms/graph/edmonds_karp.cpp

algorithms/graph/ford_fulkerson.cpp

algorithms/graph/hopcroft_karp.cpp

algorithms/math/euler_totient.cpp

algorithms/math/matrix.cpp

algorithms/math/sieve_of_eratosthenes.cpp

algorithms/paradigm/edit_distance.cpp

caderno.pdf

notebook/gen_latex.py