Compilare: user.c: In function ‘main’: user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &m, &n); ^ user.c:12:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &mat[l][c]); ^ user.c:30:25: warning: ‘min’ may be used uninitialized in this function [-Wmaybe-uninitialized] aux[m-1][n-1]-=min+mat[m-2][n-1]; ^