Compilare: user.cpp: In function ‘int main()’: user.cpp:8:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d%d",&m,&n); ^ user.cpp:11:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&A[i][j]); ^ user.cpp:24:57: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] B[i][j]=A[i-1][j]+A[i][j]+B[x][y]; ^ user.cpp:24:57: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized]