Compilare: user.cpp: In function ‘int main()’: user.cpp:48:27: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘unsigned int*’ [-Wformat=] fscanf(in,"%li %li",&n,&m); ^ user.cpp:48:27: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 4 has type ‘unsigned int*’ [-Wformat=] user.cpp:57:21: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘unsigned int*’ [-Wformat=] fscanf(in,"%li",&c); ^ user.cpp:60:30: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘unsigned int*’ [-Wformat=] fscanf(in,"%li %li",&x,&y); ^ user.cpp:60:30: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 4 has type ‘unsigned int*’ [-Wformat=] user.cpp:65:30: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘unsigned int*’ [-Wformat=] fscanf(in,"%li %li",&x,&y); ^ user.cpp:65:30: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 4 has type ‘unsigned int*’ [-Wformat=] user.cpp:70:23: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in,"%li",&s); ^ user.cpp:48:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%li %li",&n,&m); ^ user.cpp:52:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%ud",&x); ^ user.cpp:57:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%li",&c); ^ user.cpp:60:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%li %li",&x,&y); ^ user.cpp:65:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%li %li",&x,&y); ^ user.cpp:70:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%li",&s); ^