Compilare: user.cpp: In function ‘int main()’: user.cpp:70:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int’ [-Wformat=] scanf("%d %d", noVertices, noEdges); ^ user.cpp:70:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] user.cpp:74:40: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int’ [-Wformat=] scanf("%d %d %d", src, dest, distance); ^ user.cpp:74:40: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] user.cpp:74:40: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘int’ [-Wformat=] user.cpp:80:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < distances.size(); ++i) { ^ user.cpp:70:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", noVertices, noEdges); ^ user.cpp:74:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", src, dest, distance); ^ user.cpp:70:37: warning: ‘noVertices’ is used uninitialized in this function [-Wuninitialized] scanf("%d %d", noVertices, noEdges); ^ user.cpp:70:37: warning: ‘noEdges’ is used uninitialized in this function [-Wuninitialized] user.cpp:25:52: warning: ‘src’ may be used uninitialized in this function [-Wmaybe-uninitialized] adjList[src].push_back(make_pair(dest, distance)); ^ user.cpp:73:7: note: ‘src’ was declared here int src, dest, distance; ^ user.cpp:74:41: warning: ‘dest’ may be used uninitialized in this function [-Wmaybe-uninitialized] scanf("%d %d %d", src, dest, distance); ^ user.cpp:74:41: warning: ‘distance’ may be used uninitialized in this function [-Wmaybe-uninitialized]