Small fixes and add ICPC_LA16

algorithms/graph/dijkstra.cpp

algorithms/graph/dinic.cpp

algorithms/graph/edmonds_karp.cpp

algorithms/graph/ford_fulkerson.cpp

algorithms/graph/hopcroft_karp.cpp

algorithms/graph/kruskal.cpp

algorithms/graph/lca.cpp

algorithms/string/kmp.cpp

caderno.pdf

contests/CodeJam/2018/Round 2/A.cpp

contests/CodeJam/2018/Round 2/C.cpp

contests/ICPC_LA16/A.cpp

contests/ICPC_LA16/B.cpp

contests/ICPC_LA16/D.cpp

contests/ICPC_LA16/F.cpp

contests/ICPC_LA16/G.cpp

contests/ICPC_LA16/J.cpp

contests/ICPC_LA16/K.cpp

notebook/gen_latex.py