Compilare: user.cpp: In function ‘int lee(int, int, custom)’: user.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:76:92: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in, "%hd%hd%d%d%d%d", &n, &m, &start.x, &start.y, &destinatie.x, &destinatie.y); ^ user.cpp:81:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%hd", &mat[i][j].val); ^