Compilare: user.cpp: In function ‘int main()’: user.cpp:45:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.cpp:48:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&map[i][j].value); ^ user.cpp:61:31: warning: ‘js’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(map[is][js].forwardx!=0){ ^ user.cpp:61:31: warning: ‘is’ may be used uninitialized in this function [-Wmaybe-uninitialized]