Compilare: user.cpp: In function ‘int main()’: user.cpp:50:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fIn, "%d", &size); ^ user.cpp:54:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fIn, "%hu", &map[i][j]); ^ user.cpp:81:26: warning: ‘posy’ may be used uninitialized in this function [-Wmaybe-uninitialized] traceBack(posx, posy); ^ user.cpp:81:26: warning: ‘posx’ may be used uninitialized in this function [-Wmaybe-uninitialized]