Update and fix

README.md

algorithms/geometry/circle.cpp

algorithms/geometry/convex_hull.cpp

algorithms/geometry/point.cpp

algorithms/geometry/polygon.cpp

algorithms/geometry/primitives.cpp

algorithms/geometry/segment.cpp

algorithms/graph/articulations_bridges.cpp

algorithms/graph/bellman_ford.cpp

algorithms/graph/bipartite_match.cpp

algorithms/graph/centroid_decomposition.cpp

algorithms/graph/dijkstra.cpp

algorithms/graph/dinic.cpp

algorithms/graph/edmonds_karp.cpp

algorithms/graph/floyd_warshall.cpp

algorithms/graph/ford_fulkerson.cpp

algorithms/graph/hld.cpp

algorithms/graph/hopcroft_karp.cpp

algorithms/graph/kosaraju.cpp

algorithms/graph/kruskal.cpp