Compilare: user.cpp: In function ‘void verif_sol()’: user.cpp:28:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < d[ g[i] ].size(); j++ ){ ^ user.cpp: In function ‘int main()’: user.cpp:50:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &k, &r, &m ); ^ user.cpp:52:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &a[i].x, &a[i].y ); ^ user.cpp:54:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ user.cpp:56:60: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &v[i].X, &v[i].Y, &v[i].nr ); ^