Compilare: user.cpp: In function ‘bool BFS(int, int)’: user.cpp:28:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Graph[x].size();i++) ^ user.cpp: In function ‘int Flow(int, int)’: user.cpp:43:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Graph[end].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:69:41: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(IN,"%hd%hd%hd%hd",&N,&M,&S,&D); ^ user.cpp:69:41: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:69:41: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 5 has type ‘int*’ [-Wformat=] user.cpp:69:41: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 6 has type ‘int*’ [-Wformat=] user.cpp:78:33: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(IN,"%hd%hd",&X,&Y); ^ user.cpp:78:33: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:69:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%hd%hd%hd%hd",&N,&M,&S,&D); ^ user.cpp:78:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%hd%hd",&X,&Y); ^